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title='Bulgarian' class='sprite-isprt-web-bg flag-bg'>🇧🇬</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ur'><div title='Urdu' class='sprite-isprt-web-pk flag-ur'>🇵🇰</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hi'><div title='Hindi' class='sprite-isprt-web-in flag-hi'>🇮🇳</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ar'><div title='Arabic' class='sprite-isprt-web-ae flag-ar'>🇦🇪</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//sr'><div title='Serbian' class='sprite-isprt-web-rs flag-sr'>🇷🇸</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//bn'><div title='Bangla' class='sprite-isprt-web-bd flag-bn'>🇧🇩</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//bs'><div title='Bosnian' class='sprite-isprt-web-ba flag-bs'>🇧🇦</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hr'><div title='Croatian' class='sprite-isprt-web-hr flag-hr'>🇭🇷</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//tr'><div title='Turkish' class='sprite-isprt-web-tr flag-tr'>🇹🇷</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//uk'><div title='Ukrainian' class='sprite-isprt-web-ua flag-uk'>🇺🇦</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//cs'><div title='Czech' class='sprite-isprt-web-cz flag-cs'>🇨🇿</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//be'><div title='Belarusian' class='sprite-isprt-web-by flag-be'>🇧🇾</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//km'><div title='Khmer' class='sprite-isprt-web-kh flag-km'>🇰🇭</div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//lo'><div title='Lao' class='sprite-isprt-web-la flag-lo'>🇱🇦</div></a></div><div id='hdrlang-navigation'><div id='hdrlang-navigation-inner' class='hdrlang-navigation'><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland/' class='lang-en'><div class='item'><div class='flag sprite-isprt-web-gb'></div><span class='name'>English</span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//cn' class='lang-zh-CN'><div class='item'><div class='flag sprite-isprt-web-cn'></div><span class='name'>Chinese <span>- 简体中文</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//jp' class='lang-ja'><div class='item'><div class='flag sprite-isprt-web-jp'></div><span class='name'>Japanese <span>- 日本</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//es' class='lang-es'><div class='item'><div class='flag sprite-isprt-web-es'></div><span class='name'>Spanish <span>- español</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//kr' class='lang-ko'><div class='item'><div class='flag sprite-isprt-web-kr'></div><span class='name'>Korean <span>- 한국의</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ru' class='lang-ru'><div class='item'><div class='flag sprite-isprt-web-ru'></div><span class='name'>Russian <span>- русский</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hk' class='lang-zh-TW'><div class='item'><div class='flag sprite-isprt-web-hk'></div><span class='name'>Traditional Chinese <span>- 繁體中文</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//fr' class='lang-fr'><div class='item'><div class='flag sprite-isprt-web-fr'></div><span class='name'>French <span>- Francais</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//pl' class='lang-pl'><div class='item'><div class='flag sprite-isprt-web-pl'></div><span class='name'>Polish <span>- Polski</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//de' class='lang-de'><div class='item'><div class='flag sprite-isprt-web-de'></div><span class='name'>German <span>- Deutsch</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//pt' class='lang-pt'><div class='item'><div class='flag sprite-isprt-web-br'></div><span class='name'>Portuguese <span>- Português</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//vn' class='lang-vi'><div class='item'><div class='flag sprite-isprt-web-vn'></div><span class='name'>Vietnamese <span>- Tiếng Việt</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//it' class='lang-it'><div class='item'><div class='flag sprite-isprt-web-it'>🇮🇹</div><span class='name'>Italian <span>- Italiano</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//id' class='lang-id'><div class='item'><div class='flag sprite-isprt-web-id'>🇮🇩</div><span class='name'>Indonesian <span>- bahasa Indonesia</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//nl' class='lang-nl'><div class='item'><div class='flag sprite-isprt-web-nl'>🇳🇱</div><span class='name'>Dutch <span>- Nederlands</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//fa' class='lang-fa'><div class='item'><div class='flag sprite-isprt-web-ir'>🇮🇷</div><span class='name'>Persian <span>- فارسی</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//th' class='lang-th'><div class='item'><div class='flag sprite-isprt-web-th'>🇹🇭</div><span class='name'>Thai <span>- ภาษาไทย</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hu' class='lang-hu'><div class='item'><div class='flag sprite-isprt-web-hu'>🇭🇺</div><span class='name'>Hungarian <span>- Magyar</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//el' class='lang-el'><div class='item'><div class='flag sprite-isprt-web-gr'>🇬🇷</div><span class='name'>Greek <span>- Ελληνικά</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ro' class='lang-ro'><div class='item'><div class='flag sprite-isprt-web-ro'>🇷🇴</div><span class='name'>Romanian <span>- Română</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//bg' class='lang-bg'><div class='item'><div class='flag sprite-isprt-web-bg'>🇧🇬</div><span class='name'>Bulgarian <span>- български</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ur' class='lang-ur'><div class='item'><div class='flag sprite-isprt-web-pk'>🇵🇰</div><span class='name'>Urdu <span>- اردو</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hi' class='lang-hi'><div class='item'><div class='flag sprite-isprt-web-in'>🇮🇳</div><span class='name'>Hindi <span>- हिंदी</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//ar' class='lang-ar'><div class='item'><div class='flag sprite-isprt-web-ae'>🇦🇪</div><span class='name'>Arabic <span>- العربية</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//sr' class='lang-sr'><div class='item'><div class='flag sprite-isprt-web-rs'>🇷🇸</div><span class='name'>Serbian <span>- Српски</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//bn' class='lang-bn'><div class='item'><div class='flag sprite-isprt-web-bd'>🇧🇩</div><span class='name'>Bangla <span>- বাংলা</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//bs' class='lang-bs'><div class='item'><div class='flag sprite-isprt-web-ba'>🇧🇦</div><span class='name'>Bosnian <span>- босански</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//hr' class='lang-hr'><div class='item'><div class='flag sprite-isprt-web-hr'>🇭🇷</div><span class='name'>Croatian <span>- hrvatski</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//tr' class='lang-tr'><div class='item'><div class='flag sprite-isprt-web-tr'>🇹🇷</div><span class='name'>Turkish <span>- Türkçe</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//uk' class='lang-uk'><div class='item'><div class='flag sprite-isprt-web-ua'>🇺🇦</div><span class='name'>Ukrainian <span>- українська</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//cs' class='lang-cs'><div class='item'><div class='flag sprite-isprt-web-cz'>🇨🇿</div><span class='name'>Czech <span>- čeština</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//be' class='lang-be'><div class='item'><div class='flag sprite-isprt-web-by'>🇧🇾</div><span class='name'>Belarusian <span>- беларускі</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//km' class='lang-km'><div class='item'><div class='flag sprite-isprt-web-kh'>🇰🇭</div><span class='name'>Khmer <span>- ខ្មែរ</span></span></div></a><a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland//lo' class='lang-lo'><div class='item'><div class='flag sprite-isprt-web-la'>🇱🇦</div><span class='name'>Lao <span>- ລາວ</span></span></div></a></div></div></div><div class="hdrshare"><script type="text/javascript"> function initSharing(){aqisrv.here().then(function(where){country = where.Country.IsoCode;if (country!='CN') 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100%;background: url(https://aqicn.org/images//bluesky-banner-panoramic.jpg) no-repeat center bottom #eee;margin-top: -2px;z-index: -1;border-bottom: 1px solid #888;width: 100%;}.h2-title {font-family: inherit;font-size: 1.1em;overflow: hidden;text-align: center;text-transform: capitalize;}.h2-title:before,.h2-title:after {background-color: #ddd;content: '';display: inline-block;height: 1px;position: relative;vertical-align: middle;width: 50%;}.h2-title:before {right: 0.5em;margin-left: -50%;}.h2-title:after {left: 0.5em;margin-right: -50%;}@media only screen and (max-width: 800px) {.section-content {line-height: 1.6;max-width: 98%;min-height: 10px;}.section-banner {display: none;}}</style><div class='whitebody' style='font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;'><div class='section-outer'><div class='section-content' ><i>Posted on September 3<sup>rd</sup> 2015</i><div 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-2.025 -4.508 -4.508 s 2.025 -4.508 4.508 -4.508 s 4.508 2.025 4.508 4.508 C 59.955 52.148 58.02 54.239 55.537 54.34 z" style="stroke: none; stroke-width: 1; stroke-dasharray: none; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; fill: #25a1de; fill-rule: nonzero; opacity: 1;" transform=" matrix(1 0 0 1 0 0) " stroke-linecap="round" /></g></svg></a><script>try{tlite.enable(document.getElementById('share-reddit'),{text:"<div style='font-size:120%'>Share on reddit:<\/div>Air Quality Scale in Poland<br>(https:\/\/aqicn.org\/faq\/2015-09-03\/air-quality-scale-in-poland\/nl\/)"});}catch(e){}</script></div><style>.ui-share-btns {display: block;margin: 0;vertical-align: middle;}.ui-share-btns svg {height: 20px;vertical-align: middle;fill: white;}.ui-share-btn {background-color: #25a1de;color: rgba(255, 255, 255, .8);font-size: 15px;line-height: 20px;display: inline-block;text-align: center;border: 1px solid #0086c8;cursor: pointer;border-radius: 4px;padding: 3px 5px;margin: 3px;max-width: 800px;min-width: 30px;}.ui-share-btn:first-child {margin-left: 0px;}.ui-share-btn:hover {background-color: #f8f8f8;border-color: #adadad;text-decoration: none;color: black;}.ui-share-btn:hover svg {fill: black;}.ui-share-btn:hover svg g {fill: black;}.ui-share-btn a:hover {text-decoration: none;}</style><i style='color:#888;font-size:13px;word-break: break-all;'>Deel: <a href='https://aqicn.org/faq/2015-09-03/air-quality-scale-in-poland/nl/'>aqicn.org/faq/2015-09-03/air-quality-scale-in-poland/nl/</a></i><br><div class='entry-content' ng-controller='MainController as ctrl'> <style> table.fancy { border: 2px solid black; border-spacing: 0px; background: white; } table.fancy td { margin: 0px; padding: 3px; text-align: center; border-bottom: solid 1px #DEDEDE; border-right: solid 1px #DEDEDE; font-size: 13px; } table.fancy tr:hover { background: #9AC9FF; } </style> <div style='float:right;padding-left:20px;text-align:center;'> <img src="/images/aqi-scales/wios.png" width=200> <br> <small> Inspekcja Ochrony Środowiska.<br> <small>(Inspection of Environmental Protection)</small> </small> </div> <p class="bigletter">De luchtkwaliteitsgegevens voor <a href='/map/poland/nl/'>Polen</a> zijn al een tijdje beschikbaar, maar we hebben onlangs enkele vragen gekregen over de AQI-schaal die wordt gebruikt door de <i>Inspekcja Ochrony Środowiska</i> , dat wil zeggen de regionale inspecties van Milieubescherming, en hoe deze verschilt met de schaal die wordt gebruikt op de Wereldluchtvaartorganisatie. Kwaliteitsindexproject. Eén ervan is van Sylwia, die vroeg:</p> <blockquote> <p>Ik ben in de war met al die cijfers en waarom er een verschil is met de cijfers op de EPA-website van Warschau.</p> <p>Kunt u mij alstublieft informeren over de bron van de gegevens in Warschau en de betrouwbaarheid van de gegevens die u verstrekt?</p> </blockquote> <p>Dit is eigenlijk een heel goede vraag, aangezien, als het om data gaat, niemand data als ‘toegekend’ mag beschouwen (verwijzend naar de uitstekende <a href='https://www.ted.com/talks/talithia_williams_own_your_body_s_data?language=en'>TED-talk</a> van <a href='https://www.math.hmc.edu/~twilliams/'>Talithia Williams</a> over ‘Own your body’s data’). Dit is ook de reden waarom het World Air Quality Index-project bestaat, dat wil zeggen om iedereen uit te leggen hoe je het getal achter luchtvervuiling kunt begrijpen.</p> <br> <center><br>-<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" version="1" viewBox="0 0 26 26" enable-background="new 0 0 26 26"><path d="M 15.65625 -0.03125 C 14.280846 -0.03760636 12.828752 0.09254274 11.3125 0.40625 C 8.28651 1.0323169 5.7746616 2.1709106 3.96875 3.59375 C 2.3885774 4.8387345 1.3097647 6.3321654 1.0625 7.96875 A 1.0001 1.0001 0 0 0 1 8.40625 C 1 8.4709766 0.99753847 8.5296394 1 8.59375 C 0.99939321 8.6245955 1 8.6565744 1 8.6875 C 1.0067678 8.8049913 1.0164368 8.9159604 1.03125 9.03125 C 1.0536237 9.2185949 1.1014372 9.4156735 1.15625 9.59375 C 1.4590854 10.826485 2.2046296 11.91918 3.21875 12.78125 C 4.0779092 13.511593 5.1369309 14.083861 6.3125 14.53125 A 1.0001 1.0001 0 0 0 6.53125 14.9375 C 8.1339345 16.910035 12.101162 19.118434 18.1875 18.59375 A 1.0043849 1.0043849 0 0 0 18 16.59375 C 14.906411 16.860439 12.500325 16.269357 10.78125 15.5 C 14.30154 15.772761 18.245209 15.070028 21.71875 12.96875 A 1.0021949 1.0021949 0 1 0 20.6875 11.25 C 16.887924 13.548509 12.317006 14.000584 8.78125 13.21875 C 8.6725971 13.194724 8.5753958 13.151278 8.46875 13.125 C 10.108287 13.189898 11.88322 13.060799 13.6875 12.6875 C 16.718701 12.060355 19.36029 10.886006 21.21875 9.4375 C 23.067114 7.9968631 24.272087 6.1533076 23.875 4.21875 C 23.8732 4.20861 23.8769 4.197602 23.875 4.1875 C 23.513143 2.2541955 21.685558 1.0369822 19.4375 0.4375 C 18.307598 0.13619269 17.031654 -0.02489364 15.65625 -0.03125 z M 15.65625 1.96875 C 16.883971 1.97489 18.004902 2.1263073 18.9375 2.375 C 20.802695 2.8723854 21.754612 3.7133252 21.90625 4.5625 A 1.0001 1.0001 0 0 0 21.9375 4.625 C 22.12047 5.4788616 21.54154 6.6735055 20 7.875 C 18.45846 9.0764945 16.081299 10.145895 13.3125 10.71875 C 10.546306 11.291066 7.7660826 11.269646 5.8125 10.78125 C 4.8357087 10.537052 4.0847823 10.157122 3.625 9.78125 C 3.3682882 9.5713881 3.1893221 9.3858538 3.09375 9.1875 C 3.0413411 8.9743851 3.0082478 8.7545393 3 8.53125 C 3.0633474 7.4789308 3.7648202 6.2771492 5.1875 5.15625 C 6.6815884 3.9790894 8.91349 2.9489331 11.6875 2.375 C 13.071248 2.0887073 14.428529 1.9626064 15.65625 1.96875 z M 15.96875 3.65625 C 14.93792 3.617106 13.843984 3.69192 12.71875 3.90625 A 1.0001 1.0001 0 0 0 12.6875 3.9375 C 9.8940815 4.582135 7.6159262 5.8506824 6.5625 7.5625 A 1.0001 1.0001 0 1 0 8.25 8.625 C 8.7942179 7.740646 10.701734 6.434394 13.09375 5.875 C 13.10453 5.87295 13.11421 5.87702 13.125 5.875 C 15.064267 5.5112859 17.031887 5.6468794 18.03125 6.03125 A 1.0040202 1.0040202 0 0 0 18.75 4.15625 C 17.952461 3.8495042 16.99958 3.6953943 15.96875 3.65625 z M 9.15625 17.59375 A 1.0001 1.0001 0 0 0 8.5625 19.25 C 8.5625 19.25 11.033033 22.015963 15.53125 21.90625 A 1.0004882 1.0004882 0 1 0 15.46875 19.90625 C 11.766967 19.996537 10.0625 17.9375 10.0625 17.9375 A 1.0001 1.0001 0 0 0 9.15625 17.59375 z M 8.125 20.1875 A 1.0001 1.0001 0 0 0 7.40625 21.65625 C 7.40625 21.65625 8.6869767 23.974979 11.65625 24.09375 A 1.001098 1.001098 0 0 0 11.75 22.09375 C 9.7192733 22.012521 9.1875 20.75 9.1875 20.75 A 1.0001 1.0001 0 0 0 8.21875 20.1875 A 1.0001 1.0001 0 0 0 8.125 20.1875 z M 7.59375 23.0625 A 1.0001 1.0001 0 0 0 7.4375 23.09375 A 1.0001 1.0001 0 0 0 6.9375 23.34375 C 6.9375 23.34375 6.19375 24 5.09375 24 A 1.0001 1.0001 0 1 0 5.09375 26 C 6.99375 26 8.28125 24.84375 8.28125 24.84375 A 1.0001 1.0001 0 0 0 7.59375 23.0625 z" color="#000" ></path></svg>-<br><br></center> <style type='text/css'>section {margin-top:20px;margin-bottom: 80px;}@media only screen and (max-width: 800px) { border-top: 1px solid #ccc;}@media only screen and (min-width: 800px) { section {padding-left: 20px;border-left: 3px solid #f8f8f8;}}</style><h2><p>Gegevensbronnen voor luchtkwaliteit</p></h2><section><p>Om de eerste vraag over onze bron van de gegevens te beantwoorden, maakt de dienst World Air Quality Index alleen gebruik van officieel gemeten en gepubliceerde gegevens. Met andere woorden: bij het World Air Quality Index-project voeren we zelf geen luchtkwaliteitsmonitoring uit. In plaats daarvan vertrouwen we op <a href='/sources/nl/'>de EPA van elk land</a> om hun eigen monitoringnetwerk te exploiteren en te onderhouden <sup style='line-height: 1;font-family: sans-serif;font-size: 80%;'><a href='#footnote-1'>[1].</a></sup></p> <p>In het geval van Warschau worden de gegevens gemeten door de <a href='http://sojp.wios.warszawa.pl/'>Regionale Inspectie voor Milieubescherming</a> in Warschau <i>(Wojewódzki Inspektorat Ochrony Środowiska w Warszawie)</i> . Ze leveren de gegevens met behulp van zowel de Poolse AQI (genaamd Indeks Jakości Powietrza, ook bekend als IJP), als de ruwe concentraties voor PM <sub>2,5</sub> , PM <sub>10</sub> , ozon, enz. Je kunt de gegevens bekijken via hun <a href='http://sojp.wios.warszawa.pl/'>kaartenservice</a> .</p> </section><h2><p>Poolse AQI: Indeks Jakości Powietrza</p></h2><section><p>De IJP (Indeks jakości powietrza) definieert zijn eigen kleurcodering en schaal, die wordt samengevat in de onderstaande tabel. Merk op dat de kleurstandaard die door de IJP wordt gebruikt niet volledig gelijkwaardig is aan de Amerikaanse EPA AQI-standaard, maar daar zullen we later op ingaan.</p> <table width="" height="" style='font-size:12px;line-height:1.5;' class='fetching'> <tbody> <tr> <td align="center" valign="middle" style="background-color: rgb(208,208,208);" width=20% colspan=2> Air quality </td> <td align="center" valign="middle" style="background-color: rgb(208,208,208)" colspan=2> Recommendations for population </td> </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(0,204,255); vertical-align: middle"> 0-1 <td align="center" valign="middle" style="text-align: center; background-color: rgb(0,204,255); vertical-align: middle"> Very good (Excellent)<br> Bardzo dobry <td align="left" valign="middle" style="" width=40%> The air quality is good. The air pollution pose no threat. The conditions ideal for outdoor activities. <br> </td> <td align="left" valign="middle" style=""> Jakośc powietrza jest dobra. Zanieczyszczenia powietrza nie stanowią zagrożenia. Warunki idealne na aktywności na zewnątrz. </td> </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(0,228,0); vertical-align: middle"> 1-3 <td align="center" valign="middle" style="text-align: center; background-color: rgb(0,228,0); vertical-align: middle"> Good<br>Dobry </td> <td align="left" valign="middle" style=""> Air quality is still good. The air pollution pose minimal risk to exposed persons. Conditions very good for outdoor activities. <br> </td> <td align="left" valign="middle" style=""> Jakość powietrza jest wciąż dobra. Zanieczyszczenia powietrza stanowią minimalne zagrożenie dla osób narażonych na ryzyko. Warunki bardzo dobre na aktywności na zewnątrz. </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,255,0); vertical-align: middle"> 3-5 <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,255,0); vertical-align: middle"> Moderate<br>Umiarkowany </td> <td align="left" valign="middle" style=""> Air quality is acceptable. Air pollution can endanger people at risk. Conditions good for for outdoor activities. <br> </td> <td align="left" valign="middle" style=""> Jakośc powietrza jest akceptowalna. Zanieczyszczenia powietrza mogą stanowić zagrożenie dla osób narażonych na ryzyko. Warunki dobre na na aktywności na zewnątrz. </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,126,0); vertical-align: middle"> 5-7 <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,126,0); vertical-align: middle"> Satisfactory<br>Dostateczny </td> <td align="left" valign="middle" style=""> Air quality is average. The air pollution pose a threat for people at risk * which may experience health effects. Other people should limit spending time outdoors, especially when they experience symptoms such as cough or sore throat. <br> </td> <td align="left" valign="middle" style=""> Jakośc powietrza jest średnia. Zanieczyszczenia powietrza stanowią zagrożenie dla osób narażonych na ryzyko* które mogą odczuwać skutki zdrowotne. Pozostałe osoby powinny ograniczyć spędzanie czasu na zewnątrz, zwłaszcza gdy doświadczą takich symptomów jak kaszel lub podrażnione gardło. </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,0,0); vertical-align: middle"> 7-10 <td align="center" valign="middle" style="text-align: center; background-color: rgb(255,0,0); vertical-align: middle"> Bad<br>Zły </td> <td align="left" valign="middle" style=""> Air quality is bad. People at risk * should avoid to go outside. The rest should be ograniczyć.Nie are recommended for outdoor activities. <br> </td> <td align="left" valign="middle" style=""> Jakość powietrza jest zła. Osoby narażone na ryzyko* powinny unikać wyjść na zewnątrz. Pozostali powinni je ograniczyć.Nie zalecane są aktywnośći na zewnątrz. </tr> <tr> <td align="center" valign="middle" style="text-align: center; background-color: rgb(126,0,35); color:white;vertical-align: middle"> 10+ <td align="center" valign="middle" style="text-align: center; background-color: rgb(126,0,35); color:white;vertical-align: middle"> Hazardous<br>Bardzo zły </td> <td align="left" valign="middle" style=""> The quality of air is dangerously wrong. Those at risk should be avoided to go outside. The others should limit the output to minimum.Wszelkie outdoor activities are discouraged. </td> <td align="left" valign="middle" style=""> Jakośc powietrza jest niebezpiecznie zła. Osoby narażone na ryzyko powinny bezwzględnie unikać wyjść na zewnątrz. Pozostali powinni ograniczyć wyjścia do minimum.Wszelkie aktywności na zewnątrz są odradzane. </tr> </tbody> </table> </section><h2><p>Indeks Jakości Powietrza (IJP) berekening</p></h2><section><p>De IJP wordt berekend met behulp van een formule die rekening houdt met de concentratie van verschillende verontreinigende stoffen. Bijna elk land heeft zijn eigen formule, en in het geval van Polen wordt de op “max” gebaseerde formule gebruikt:</p> <div style='margin:20px;border:1px solid #f8f8f8;overflow:scroll;'> $$IJP = max( {O_3(1h) \over 120}, {NO_2(1h) \over 120}, {SO_2(1h) \over 120}, {CO(1h) \over 120}, {PM_{10}(1h) \over 100}, {PM_{2.5}(1h) \over 60}, {Benzen(1h) \over 40} ) x 5.$$ </div> <script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> </script> <p>Dat lijkt misschien een beetje barbaars, maar eigenlijk lijkt deze formule sterk op de formule die wordt gebruikt door de Amerikaanse EPA (en dus op het World Air Quality Index-project), met uitzondering van vier grote verschillen:</p> <ul> <li> <span>De IJP-schaal gaat van 0 tot 10, terwijl deze voor de Amerikaanse EPA van 0 tot 500 gaat. Merk op dat andere standaarden, zoals de <a href='/faq/2015-06-03/overview-of-hong-kongs-air-quality-health-indexnl/'>Hong Kong AQHI-</a> standaard, ook een schaal van 0 tot 10 gebruiken, dit is prima.</span> <br> <br> <li> <span>De breekpunten die in het IJP worden gebruikt, zijn lineair voor elke verontreinigende stof, terwijl dat voor de Amerikaanse EPA niet het geval is. De breekpunten die in de Amerikaanse EPA-standaard worden gebruikt, worden in <a href='/faq/2013-09-09/revised-pm25-aqi-breakpointsnl/'>dit artikel</a> uitgelegd.</span> <br> <br> <li> <span>De IJP neemt <a href='https://en.wikipedia.org/wiki/Benzene'>Benzen</a> op in de lijst van verontreinigende stoffen, terwijl dat niet het geval is voor de Amerikaanse EPA. Dit is een zeer positief punt voor de IJP, aangezien bekend is dat Benzen zeer kankerverwekkend is.</span> <br> <br> <li> <span>De IJP is gebaseerd op metingen over 1 uur, terwijl de Amerikaanse EPA-norm theoretisch gebaseerd is op 24-uursgemiddelden. Nogmaals, dit is een heel goed punt van de IJP, aangezien we het universele gebruik van 1-uurslezingen promoten via ons <a href='faq/2015-03-15/air-quality-nowcast-a-beginners-guidenl/'>Instant Cast</a> -rapport.</span> </ul> </section><h2><p>Vergelijking van de AQI van de Amerikaanse EPA en de IJP van Polen</p></h2><section><p>Omdat afbeeldingen beter zijn dan lange zinnen, zijn de volgende interactieve afbeeldingen een vergelijking van de AQI- en IJP-schalen voor PM <sub>2,5</sub> en PM <sub>10</sub> . U kunt uw cursor gewoon over de grafiek bewegen om de vergeleken AQI-, IJP- en ruwe concentratie te zien.</p> <br> <br> <div style='overflow:scroll'> <table width=100% id='pm-table'> <tr> <div id='scale-pm25'></div> <div id='scale-pm10'></div> </table> </div> <br> <small>Notes: <ul> <li> <span>PM <sub>2,5</sub> is meestal de dominante verontreinigende stof (vergeleken met PM <sub>10</sub> ), dus we zullen in dit artikel zorgvuldiger naar PM <sub>2,5</sub> kijken.</span> <li> <span>De European Common Air Quality Index ( <a href='http://www.airqualitynow.eu/about_indices_definition.php'>CAQI</a> ) is ter referentie toegevoegd, maar zal niet in de analyse worden gebruikt.</span> </ul> </small> </section><h2><p>De verschillen begrijpen</p></h2><section><p>Bij het vergelijken van de IJP- en AQI-schalen voor PM <sub>2,5</sub> kan de verwarring van beide kanten van de schaal komen:</p> <ul> <li> <span>Wanneer de luchtkwaliteit goed is, is een <span style='background-color:#ffde33' class='citysync'>gematigde</span> meting volgens de Amerikaanse EPA-norm gelijk aan een <span style='background-color:#00e400' class='citysync'>goede ( <i>Dobry</i> )</span> met de IJP. En een <span style='background-color:#ffff00' class='citysync'>Matig ( <i>Umiarkowany</i> )</span> die de IJP gebruikt, komt overeen met een <span style='background-color:#ff9933' class='citysync'>Ongezond voor gevoelige groepen die</span> de Amerikaanse EPA-standaard gebruiken.</span> <br> <br> <li> <span>Wanneer de lucht vervuild is, stelt de IJP-standaard een zeer conservatief lage drempel in, op een zodanig niveau dat een <span style='background-color:#cc0033;color:white;' class='citysync'>ongezonde</span> meting volgens de Amerikaanse EPA-standaard gelijkwaardig kan zijn aan een <span style='background-color:#7e0023;color:white;' class='citysync'>schadelijk ( <i>Bardzo zły</i> )</span> bij de IJP.</span> </ul> <p>De vier onderstaande grafieken vatten de verschillen samen tussen de twee normen voor het station <a href='/city/poland/mazowieckie/warszawa/komunikacyjna/nl/'>Komunikacyjna</a> in Warschau gedurende de afgelopen vijf dagen (PM <sub>2,5</sub> aan de linkerkant en PM <sub>10</sub> aan de rechterkant).</p> <br><br> <center> <div class='nowcastgraphs'> <table width=100%> <tr> <td width=50%> <b>PM<sub>2.5</sub></b> US EPA AQI (Air Quality Index) - Instant Cast based: <div id='pm25-usaqi' style='font-size:12px;halign:center;'></div> <b>PM<sub>2.5</sub></b> POLAND IJP (Indeks jakości powietrza): <div id='pm25-plijp' style='font-size:12px;halign:center;'></div> </td> <td width=50%> <b>PM<sub>10</sub></b> US EPA AQI (Air Quality Index) - Instant Cast based: <div id='pm10-usaqi' style='font-size:12px;halign:center;'></div> <b>PM<sub>10</sub></b> POLAND IJP (Indeks jakości powietrza): <div id='pm10-plijp' style='font-size:12px;halign:center;'></div> </td> </tr> </table> </div> </center> <p>Je kunt duidelijk de gelijkwaardigheid zien tussen het <span style='background-color:#00e400' class='citysync'>IJP-groen</span> en <span style='background-color:#ffff00' class='citysync'>AQI-geel</span> voor de PM <sub>2,5-</sub> schalen (aan de linkerkant). Als je dit verschil in kleurwisseling abstraheert, dan is het duidelijk dat beide schalen een vergelijkbaar niveau van vervuiling rapporteren.</p> <p>Wat PM <sub>10</sub> betreft, terwijl voor de Amerikaanse EPA AQI de index altijd lager is dan de PM <sub>2,5-</sub> index, is voor de IJP de PM <sub>10-</sub> index feitelijk gelijk aan of hoger dan de PM <sub>2,5</sub> -index.</p> <p>Meestal verwacht men dat PM <sub>2,5</sub> schadelijker is dan PM <sub>10</sub> (zoals uitgelegd in dit <a href='/faq/2013-02-02/why-is-pm25-often-higher-than-pm10/nl/'>artikel</a> ), dus we zullen in een later artikel op dit verschil moeten terugkomen (vooral als we kijken naar de correlatiefactor tussen PM <sub>10</sub> en PM <sub>2,5</sub> op basis van empirische gegevens voor de VS, Europa en Polen).</p> </section><h2><p>Over de andere verontreinigende stoffen</p></h2><section><p>Van alle andere verontreinigende stoffen is ozon (O <sub>3</sub> ) waarschijnlijk de tweede belangrijkste verontreinigende stof. Het is al bekend dat de Amerikaanse EPA 1-uur Ozon-norm niet zo conservatief is vergeleken met andere bestaande normen (zie <a href='/faq/2015-05-18/ground-ozone-air-quality-index-update-with-instant-cast/nl/'>dit artikel</a> ), en de IJP bevestigt deze regel. De twee onderstaande grafieken tonen de ozonindex voor zowel AQI als IJP.</p> <center> <div class='nowcastgraphs'> US EPA AQI (Air Quality Index) - Instant Cast based: <div id='o3-usaqi' style='font-size:12px;halign:center;'></div> <br> POLAND IJP (Indeks jakości powietrza): <div id='o3-plijp' style='font-size:12px;halign:center;'></div> <br> <div id='scale-o3'></div> </div> Note that the Ozone scale for the US EPA AQI requires concentrations to be expressed in ppb, while for the IJP it is mg/m<sup>3</sup>.</small> </span> </center> <br> <small> <p>Merk op dat de IJP-ozonbreekpunten die zijn gedefinieerd op <a href='http://sojp.wios.warszawa.pl/index.php?page=skala-jakosci-powietrza&t=1'>sojp.wios.warszawa.pl</a> vergelijkbare breekpunten tonen voor de niveaus van 1 uur en 8 uur; we gaan ervan uit dat dit een typefout is, aangezien men een lager breekpuntniveau voor het 1-uur zou verwachten in vergelijking met de 8-uursniveaus. We nemen contact op met de Warschau EPA en zullen dit artikel bijwerken op basis van hun antwoord.</p> </small> <p>De andere verontreinigende stof die de moeite waard is om nader te bekijken is de benzen, aangezien de IJP een van de zeldzame omvang is waarbij benzen in de indexberekening wordt meegenomen. Gelukkig laat de overeenkomstige index van de afgelopen 10 dagen zien dat de benzenconcentratie altijd binnen het bereik van [0-1] "zeer goed" ligt, dus een "dagelijks probleem" zoals PM</sub>2.5</sub> kan zich soms niet voordoen. zijn.</p> <div id='benzen-plijp' style='font-size:12px;halign:center;'></div> </section><h2><p>Conclusies</p></h2><section><p>Aan de ene kant zijn er enkele zeer goede verbeteringen in de Indeks Jakości Powietrza-standaard, gedefinieerd door de Poolse EPA: het gebruik van metingen van 1 uur, inclusief meer verontreinigende stoffen zoals benzeen en het verlagen van de drempelwaarde voor gevaarlijk niveau; Deze moeten allemaal wereldwijd worden gepromoot en we zullen overwegen om de AQI-berekening van het World Air Quality Index-project uit te breiden om ook rekening te houden met Benzen.</p> <p>Aan de andere kant is het niet eenvoudig om de IJP en de AQI van appel tot appel te vergelijken. Bij het plotten van de samengestelde AQI voor zowel IJP als AQI (zie onderstaande grafieken) lijkt het meer op <a href='/faq/2013-01-19/shanghai-pm25-main-aqi-update-comparative-pm25-data-for-3-measurement-stations-in-shanghai/nl/'>het vergelijken van appels met bananen</a> . Volgens onze ervaring is dit de meest verwarrende factor bij het vergelijken van cijfers van verschillende websites.</p> <p>Als laatste is het belangrijk om te onthouden dat elke schaal zijn eigen specificiteit heeft, en het belangrijkste is om de diversiteit in de schalen te behouden: we beginnen te geloven dat het hebben van slechts één unieke schaal misschien niet de juiste oplossing is, en we werken nu aan een mondiale oplossing waarmee gebruikers de weegschaal kunnen selecteren die het beste bij hun behoeften past.</p> <small> <img src='/images/flags/us.png' width=24> US EPA Composite AQI (Air Quality Index) <div id='all-usaqi' style='font-size:12px;halign:center;'></div> <img src='/images/flags/pl.png' width=24> Poland Composite IJP (Indeks jakości powietrza) <div id='all-plijp' style='font-size:12px;halign:center;'></div> <img src='/images/flags/eu.png' width=24> EU Composite CAQI (Common Air Quality Index) <div id='all-eucaqi' style='font-size:12px;halign:center;'></div> <small>Note: the composite calculation is based on PM<sub>2.5</sub>, PM<sub>10</sub> and Ozone only. </small> </section><h2><p>Bijlage</p></h2><section><div style='overflow:scroll'> <table class='aqiCompareTable'> <tr> <th colspan=4 width=50%>Poland IJP <th colspan=4>US EPA <tr> <th>range <th>color <th>description <th>level <th>range <th>color <th>level <th>description <tr> <td nowrap>0 .. 50 <td> <div style='background-color:#009966;width:30px;height:20px;'> <div> <td style='width:15%;'>Good <td><small>Air quality is considered satisfactory, and air pollution poses little or no risk <td nowrap>0 .. 1 <td> <div style='background-color:#00ccff;width:30px;height:20px;'> <div> <td style='width:15%;'>Bardzo dobry<br>Very Good <td><small>Tidak ada efek <tr> <td nowrap>50 .. 100 <td> <div style='background-color:#ffde33;width:30px;height:20px;'> <div> <td style='width:15%;'>Moderate <td><small>Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. <td nowrap>1 .. 3 <td> <div style='background-color:#00e400;width:30px;height:20px;'> <div> <td style='width:15%;'>Dobry<br>Good <td><small>Terjadi penurunan pada jarak pandang <tr> <td rowspan=2 nowrap>100 .. 150 <td rowspan=2> <div style='background-color:#ff9933;width:30px;height:20px;'> <div> <td rowspan=2 style='width:15%;'>Unhealthy for Sensitive Groups <td rowspan=2><small>Members of sensitive groups may experience health effects. The general public is not likely to be affected. <td rowspan=1 nowrap>3 .. 5 <td rowspan=1> <div style='background-color:#ffff00;width:30px;height:20px;'> <div> <td rowspan=1 style='width:15%;'>Umiarkowany<br>Moderate <td rowspan=1><small>Jarak pandang turun dan terjadi pengotoran debu di mana-mana <tr> <td rowspan=2 nowrap>5 .. 7 <td rowspan=2> <div style='background-color:#ff7e00;width:30px;height:20px;'> <div> <td rowspan=2 style='width:15%;'>Dostateczny<br>Satisfactory <td rowspan=2><small>Meningkatnya sensitivitas pada pasien berpenyakit asthma dan bronhitis <tr> <td rowspan=3 nowrap>150 .. 200 <td rowspan=3> <div style='background-color:#cc0033;width:30px;height:20px;'> <div> <td rowspan=3 style='width:15%;'>Unhealthy <td rowspan=3><small>Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects <tr> <td rowspan=1 nowrap>7 .. 10 <td rowspan=1> <div style='background-color:#ff0000;width:30px;height:20px;'> <div> <td rowspan=1 style='width:15%;'>Zły<br>Bad <td rowspan=1><small>Tingkat yang berbahaya bagi semua populasi yang terpapar <tr> <td rowspan=4 nowrap>10 .. <td rowspan=4> <div style='background-color:#7e0023;width:30px;height:20px;'> <div> <td rowspan=4 style='width:15%;'>Bardzo zły<br>Hazardous <td rowspan=4><small>Tingkat yang berbahaya bagi semua populasi yang terpapar <tr> <tr> <td nowrap>200 .. 300 <td> <div style='background-color:#660099;width:30px;height:20px;'> <div> <td style='width:15%;'>Very Unhealthy <td><small>Health warnings of emergency conditions. The entire population is more likely to be affected. <tr> <td nowrap>300 .. 500 <td> <div style='background-color:#7e0023;width:30px;height:20px;'> <div> <td style='width:15%;'>Hazardous <td><small>Health alert: everyone may experience more serious health effects <tr> </table> </div> <style> #lgd { font-size: 12px; } table#lgd td { text-align: center; } .bDobra th, li.bDobra, .qlt #table .bDobra, table#lgd .bDobra * { background-color: #0cf; color: #030; } table#lgd .dobra *, .dobra th, li.dobra, .qlt #table .dobra { background-color: #00e400; color: #030; } table#lgd .umiark *, .umiark th, li.umiark, .qlt #table .umiark { background-color: #ff0; color: #464600; } table#lgd .zla *, .zla th, li.zla, .qlt #table .zla { background-color: #ff7e00; color: #3b1d00; } table#lgd .bZla *, .bZla th, li.bZla, .qlt #table .bZla { background-color: #f00; color: #3e0000; } table#lgd .niebezp *, .niebezp th, li.niebezp, .qlt #table .niebezp { background-color: #7e0023; color: #fff; } table#lgd .staly *, .staly th, li.staly, .qlt #table .staly { background-color: #777777; color: #fff; } </style> <br><br> Breakpoints used for the IJP: <center> <div style='overflow:scroll'> <table id="lgd" width=100%> <thead> <tr> <th></th> <th>PM10 - 1h</th> <th>PM10 - 24h</th> <th>NO<sub>2</sub> - 1h</th> <th>CO - 8h</th> <th>O<sub>3</sub> - 1h</th> <th>O<sub>3</sub> - 8h</th> <th>SO<sub>2</sub> - 1h</th> <th>SO<sub>2</sub> - 24h</th> <th>Indeks jakości powietrza</th> </tr> </thead> <tbody> <tr class="bDobra"> <th>Bardzo dobry</th> <td>0-20</td> <td>0-20</td> <td>0-40</td> <td>0-2000</td> <td>0-24</td> <td>0-24</td> <td>0-70</td> <td>0-25</td> <td>0-1</td> </tr> <tr class="dobra"> <th>Dobry</th> <td>20-60</td> <td>20-60</td> <td>40-120</td> <td>2000-6000</td> <td>24-72</td> <td>24-72</td> <td>70-210</td> <td>25-50</td> <td>1-3</td> </tr> <tr class="umiark"> <th>Umiarkowany</th> <td>60-100</td> <td>60-100</td> <td>120-200</td> <td>6000-1000</td> <td>72-120</td> <td>72-120</td> <td>210-350</td> <td>50-100</td> <td>3-5</td> </tr> <tr class="zla"> <th>Dostateczny</th> <td>100-140</td> <td>100-140</td> <td>200-280</td> <td>1000-14000</td> <td>120-168</td> <td>120-168</td> <td>350-490</td> <td>100-125</td> <td>5-7</td> </tr> <tr class="bZla"> <th>Zły</th> <td>140-200</td> <td>140-200</td> <td>280-400</td> <td>>14000</td> <td>168-240</td> <td>168-240</td> <td>490-700</td> <td>>125</td> <td>7-10</td> </tr> <tr class="niebezp"> <th>Bardzo zły</th> <td>>200</td> <td>>200</td> <td>>400</td> <td class="empty"></td> <td>>240</td> <td>>240</td> <td>>700</td> <td class="empty"></td> <td>>10</td> </tr> </tbody> </table> </div> </center> <script src="/jscripts/forecast/d3.v3.min.js"></script> <script src='/air/view/faq/images/aqi-scales/scales-viewer.min.js?_=1555547488'></script><link href='/air/view/faq/images/aqi-scales/scales-viewer.css?_=1555547488' rel='stylesheet'/> <script type="text/javascript"> function doInitPage() { var scales=new AqiScale({"eu":{"standard":{"epa":"European Environment Agency","url":"http:\/\/www.obsairve.eu\/content\/knowledge\/caqi","unit":["CAQI","Common Air Quality Index"]},"levels":[{"range":25,"title":"Very Low","color":"#5ec569","description":"Air quality is ideal for outdoor activities"},{"range":50,"title":"Low","color":"#b2d744","description":"Air quality is acceptable for outdoor activities."},{"range":75,"title":"Medium","color":"#f2c500","description":"No need to modify your usual outdoor activities unless you experience symptoms such as coughs and throat irritation."},{"range":100,"title":"High","color":"#fe8d00","description":"Consider reducing or postponing strenuous outdoor activities if you experience symptoms such as cough and throat irritation."},{"range":1000,"title":"Very High","color":"#fa0067","description":"Reduce or postpone strenuous outdoor activities, especially if you have symptoms such as coughing and throat irritation.","textcolor":"#ffffff"}],"units":{"o3":"mg\/m3","no2":"ug\/m3","so2":"ug\/m3","co":"mg\/m3"},"pm25":[[25,15],[50,30],[75,50],[100,100],[400,400]],"pm10":[[25,25],[50,50],[75,90],[100,180],[400,720]],"o3":[[25,60],[50,120],[75,180],[100,240],[500,1200]]},"pl":{"standard":{"epa":"Minister of Environment in Poland","url":"http:\/\/sojp.wios.warszawa.pl\/index.php?page=ggg","unit":["IJP","Indeks Jako\u015bci Powietrza"]},"levels":[{"range":1,"title":"Bardzo dobry","color":"#00ccff","description":"Jako\u015bc powietrza jest dobra. 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return '#ff7e00'; if (val <= 10) return '#ff0000'; return "#7e0023"; }; function caqicolor(val) { if (val <= 25) return "#5ec569"; if (val <= 50) return "#b2d744"; if (val <= 75) return "#f2c500"; if (val <= 100) return '#fe8d00'; return "#fa0067"; }; var pm25data = { "cityID": "PL:Mazowieckie\/Warszawa\/Komunikacyjna", "pol": "pm25", "ndays": "10", "data": [1441414800, 28900, -3600, -3300, -3600, 2200, -3600, -2600, -3600, -8900, -3600, -2800, -3600, 10800, -3600, -1800, -3600, -2400, -3600, -11000, -3600, 10100, -3600, -12500, -3600, 9300, -3600, 1700, -3600, 7500, -3600, -100, -3600, -10500, -3600, -1100, -3600, 7400, -3600, 4000, -3600, -3700, -3600, 2200, -3600, 5600, -3600, -1200, -3600, 1900, -3600, 3900, -3600, 2100, -3600, -16600, -3600, 8900, -3600, -1400, -3600, -400, -3600, 0, -3600, -4900, -3600, -3100, -3600, -1400, -3600, -3600, -3600, 600, -3600, 4900, -3600, -100, -3600, 6600, -3600, 7500, -3600, -1300, -3600, 1700, -3600, -20900, -3600, 12800, -3600, -1800, -3600, 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{ var width = document.getElementById("pm25-usaqi").clientWidth * .95; var height = 100; var ndays = 5; new NowCastGraph("#pm25-usaqi").plot(pm25data, width, height, pm25aqi, { ndays: ndays }); new NowCastGraph("#pm25-plijp").plot(pm25data, width, height, pm25ijp, { colorf: pijcolor, ndays: ndays }); new NowCastGraph("#pm10-usaqi").plot(pm10data, width, height, pm10aqi, { ndays: ndays }); new NowCastGraph("#pm10-plijp").plot(pm10data, width, height, pm10ijp, { colorf: pijcolor, ndays: ndays }); width = document.getElementById("benzen-plijp").clientWidth * .95; ndays = 10; new NowCastGraph("#benzen-plijp").plot(benzen, width, height, benzenijp, { colorf: pijcolor }); new NowCastGraph("#o3-usaqi").plot(o3data, width, height, o3aqi, { ndays: ndays }); new NowCastGraph("#o3-plijp").plot(o3data, width, height, o3ijp, { colorf: pijcolor }, { ndays: ndays }); ijpdata = []; aqidata = []; caqidata = []; [ [pm25data, pm25ijp, pm25aqi, pm25caqi], [pm10data, pm10ijp, pm10aqi, pm10caqi], [o3data, o3ijp, o3aqi, o3caqi] ].forEach(function(o) { var data = o[0]; var conv1 = o[1]; var conv2 = o[2]; var conv3 = o[3]; var maxt = data.data[0]; var l = data.data.length; var t = 0, v = 0; for (var i = 0; i < l; i += 2) { var dt = data.data[i]; if (dt == "") dt = -3600; t += dt; v += data.data[i + 1]; ijpdata[t] = Math.max(conv1(v), ijpdata[t] || 0); aqidata[t] = Math.max(conv2(v), aqidata[t] || 0); caqidata[t] = Math.max(conv3(v), caqidata[t] || 0); if (maxt - t > ndays * 24 * 60 * 60) break; } }); l = []; for (var t in ijpdata) { l.push({ t: t, v: ijpdata[t] }); } ijpdata = { dataencoding: "raw", data: l }; new NowCastGraph("#all-plijp").plot(ijpdata, width, height, function(v) { return v }, { colorf: pijcolor }, { ndays: ndays }); l = []; for (var t in aqidata) { l.push({ t: t, v: aqidata[t] }); } aqidata = { dataencoding: "raw", data: l }; new NowCastGraph("#all-usaqi").plot(aqidata, width, height, function(v) { return v }, { ndays: ndays }); l = []; for (var t in caqidata) { l.push({ 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15.53125 21.90625 A 1.0004882 1.0004882 0 1 0 15.46875 19.90625 C 11.766967 19.996537 10.0625 17.9375 10.0625 17.9375 A 1.0001 1.0001 0 0 0 9.15625 17.59375 z M 8.125 20.1875 A 1.0001 1.0001 0 0 0 7.40625 21.65625 C 7.40625 21.65625 8.6869767 23.974979 11.65625 24.09375 A 1.001098 1.001098 0 0 0 11.75 22.09375 C 9.7192733 22.012521 9.1875 20.75 9.1875 20.75 A 1.0001 1.0001 0 0 0 8.21875 20.1875 A 1.0001 1.0001 0 0 0 8.125 20.1875 z M 7.59375 23.0625 A 1.0001 1.0001 0 0 0 7.4375 23.09375 A 1.0001 1.0001 0 0 0 6.9375 23.34375 C 6.9375 23.34375 6.19375 24 5.09375 24 A 1.0001 1.0001 0 1 0 5.09375 26 C 6.99375 26 8.28125 24.84375 8.28125 24.84375 A 1.0001 1.0001 0 0 0 7.59375 23.0625 z" color="#000" ></path></svg>-<br><br></center> <div style='color:#444;background-color:#eee;padding:10px;margin:10px;border:1px dashed black;'> <b>Note</b>: <span>Dit artikel maakt deel uit van een serie over wereldwijde luchtkwaliteitsschalen.</span> <br> <br> <span>Voor meer informatie over specifieke landen of continenten verwijzen wij u naar deze artikelen:</span> <a href='/faq/2015-05-02/south-asian-air-quality-scales-malaysia-and-thailand/nl/'> <div class='flag flag-icon-background flag-icon-th' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-my' style='width:22px;height:12px;display:inline-block;'></div> <span>Thailand en Maleisië</span> </a> - <a href='/faq/2015-05-15/india-national-air-quality-index/nl/'> <div class='flag flag-icon-background flag-icon-in' style='width:22px;height:12px;display:inline-block;'></div> <span>Indië</span> </a> - <a href='/faq/2015-03-20/a-comparison-of-worldwide-air-quality-scales-part-1/nl/'> <div class='flag flag-icon-background flag-icon-cn' style='width:22px;height:12px;display:inline-block;'></div> China </a> - <a href='/faq/2015-06-03/overview-of-hong-kongs-air-quality-health-index/nl/'> <div class='flag flag-icon-background flag-icon-hk' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-ca' style='width:22px;height:12px;display:inline-block;'></div> <span>Hong Kong / Canada (Luchtkwaliteit Gezondheidsindex)</span> </a> - <a href='/faq/2015-05-30/air-quality-forecast-in-south-america/nl/'> <div class='flag flag-icon-background flag-icon-br' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-co' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-ec' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-pe' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-cl' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-mx' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-ar' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-uy' style='width:22px;height:12px;display:inline-block;'></div> <div class='flag flag-icon-background flag-icon-pr' style='width:22px;height:12px;display:inline-block;'></div> <span>Zuid-Amerika</span> </a> - <a href='/faq/2014-09-06/australian-air-quality-comparison-with-the-us-epa-aqi-scale/nl/'> <div class='flag flag-icon-background flag-icon-au' style='width:22px;height:12px;display:inline-block;'></div> <span>Australië</span> </a> - <a href='/faq/2015-07-16/air-quality-scale-in-quebec-and-montreal/nl/'> <div class='flag flag-icon-background flag-icon-ca' style='width:22px;height:12px;display:inline-block;'></div> <span>Québec en Montreal</span> </a> - <a href='/faq/2013-06-25/singapore-psi-and-pm25-aqi-why-is-there-a-difference-between-the-two-readings/nl/'> <div class='flag flag-icon-background flag-icon-sg' style='width:22px;height:12px;display:inline-block;'></div> <span>Singapore</span> </a> - <a href='/faq/2015-09-03/air-quality-scale-in-poland/nl/'> <div class='flag flag-icon-background flag-icon-pl' style='width:22px;height:12px;display:inline-block;'></div> <span>Polen</span> </a> - <a href='/faq/2015-07-18/real-time-air-quality-monitoring-in-indonesia/nl/'> <div class='flag flag-icon-background flag-icon-id' style='width:22px;height:12px;display:inline-block;'></div> <span>Indonesië</span> </a>. <p>Voor informatie over het gebruikte 24-uursgemiddelde van ozon en fijnstof (PM <sub>2.5</sub> ), verwijzen wij u naar deze twee artikelen: <a href='/faq/2015-05-18/ground-ozone-air-quality-index-update-with-instant-cast/nl/'>Ground Ozone Index</a> - <a href='/faq/2015-03-15/air-quality-nowcast-a-beginners-guide/nl/'>PM <sub>2.5</sub> Instant Cast</a></p> </div> <br><br><div style='border-top:1px solid black;width:120px;'></div><small style='line-height:1.4;'><div id='nowcast-footnote-1'>[1] The monitors are anyways so expensive, estimated 15K€ each, that we could not afford it.</div></small></div></div></div></div><center style='border-top: 1px solid #ccc;padding:20px 0;border-bottom: 1px solid #ccc;'><style>#gaia-section-banner {word-break: break-word;cursor: pointer;font-size: 18px;line-height: 1.6;font-family: "Noto Serif", Cambria, "Palatino Linotype", "Book Antiqua", "URW Palladio L", serif;text-align: center;word-break: break-all;margin: 0;padding: 0px;min-height: 0px;width: auto;max-width: 100%;text-align: center;word-break: break-word;transition: height .5s ease;overflow-y: hidden;}#gaia-section-banner>div>div {width: 33%;/* max-width: 420px; */}#gaia-section-banner a {background-color: rgba(0, 134, 200, .8);color: white;border-radius: 25px;border: none;padding: 8px 20px;margin-left: 18px;line-height: 1.42;}#gaia-section-banner>div {display: flex;align-items: center;justify-content: center;}#gaia-section-banner a div {font-size: 80%;white-space: nowrap;}#gaia-section-banner>div>img {height: 88px;}@media screen and (max-width: 700px) {#gaia-section-banner {text-align: center;height: auto;}#gaia-section-banner>div>img {max-width: 80%;max-height: 150px;height: auto;}#gaia-section-banner a {margin-right:18px;}#gaia-section-banner a div {font-size: 100%;white-space: unset;display: inline-block;}#gaia-section-banner>div {flex-direction: column;}#gaia-section-banner>div>div {width: 100%;}}#gaia-section-banner a:hover {text-decoration: none;}</style><div id='gaia-section-banner'><div><div style='display:block'><span>Weet u of er in uw omgeving luchtkwaliteitsstations zijn?</span> <span>Waarom zou u niet meedoen aan de kaart met uw eigen luchtkwaliteitsstation?</span></div><img src='/air/view/gaia/images/gaia-series-a12-icon-with-map.png'><a href='/gaia/list/nl/' target=gaia_a08><span>Meer informatie op</span><div> > aqicn.org/gaia/ <</div></a></div></div><script>try {aqisrv.here().then(function(where) {var country = 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Probeer het later opnieuw.","wa.ds6QyCdIOHG4hhIEHD2rFqI\/WwI=":"Meld u aan voor onze gratis maandelijkse mailinglijst en ontvang een melding wanneer er nieuwe artikelen beschikbaar zijn.","wa.Xi+TKw0nK3I5533XVrPPC2U4EGA=":"jouw email","wa.P6QFTyFPD4Bj2PtEU75l1GDj4ww=":"indienen","wa.FoXcvD6sGbwj\/zOhqhL39XuXQsA=":"Wacht even terwijl u uw e-mailadres registreert"})</script><script src='/webapp/dist/mailing-dyn.b37d52498ecc6e0dde16.js?_=1737642178' type='text/javascript'></script><div id='ntf-body-first' style='display:none;'></div><script>function ntfConf() {return {page: "faq",divId: "ntf-body-first"}}</script></div></center><center style='border-top: 1px solid #ccc;background:white;padding-bottom:20px;'><div class='section-content'><a href='/faq/nl/'><h2><span>Klik hier om alle FAQ-items te bekijken</span></h2></a><div style='margin-left: 20px;line-heigh:1.5;color:#888;' class='faqmore'><style type='text/css'>.faqmore li a:hover {background: #62a6c8;color: white;text-decoration: none;}.faqmore li a {color: #000;}</style><li><a href='https://aqicn.org/scale/nl/'>AQI Scale: What do the colors and numbers mean?</a></li><li><a href='https://aqicn.org/faq/using-statistical-distances-for-real-time-sensor-networks-validation/nl/'>Using Statistical Distances for Real-time Sensor Networks Validation</a></li><li><a href='https://aqicn.org/faq/2017-01-10/nitrogen-dioxyde-no2-in-our-atmosphere/nl/'>Nitrogen Dioxyde (NO<sub>2</sub>) in our atmosphere</a></li><li><a href='https://aqicn.org/faq/2016-08-10/ozone-aqi-scale-update/nl/'>Ozone AQI Scale update</a></li><li><a href='https://aqicn.org/faq/2016-02-28/air-quality-forecasting-in-northern-india/nl/'>Air Quality Forecasting in Northern India</a></li><li><a href='https://aqicn.org/faq/2015-11-05/a-visual-study-of-wind-impact-on-pm25-concentration/nl/'>A visual study of Wind impact on PM<sub>2.5</sub> Concentration</a></li><li><a href='https://aqicn.org/faq/2015-10-28/unep-air-quality-monitoring-station/nl/'>UNEP Air Quality Monitoring Station</a></li><li><a href='https://aqicn.org/faq/2015-09-21/health-effects-of-respiratory-exposure-to-sulphur-dioxide-/nl/'>Health effects of respiratory exposure to sulphur dioxide </a></li><li><a href='https://aqicn.org/faq/2015-09-20/asean-air-quality-tile-map-service/nl/'>Asean Air Quality Tile Map Service</a></li></div></div></center><a name="infoaqi"></a><div class='h1section h1section-divider'><div class='h1section-rainbow'><div></div><div></div><div></div><div></div><div></div></div><h1><div id='h1header3' style='padding:2px;font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;;'>Over de luchtkwaliteit- en vervuilingsmeting:</div></h1></div><script type='text/javascript'> ; if (!isMobileUA) { fitLine('#h1header3',.88,{maxfs:45}); }; </script><div class='whitebody' style='font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;'><div class='section-outer'><div class='section-content' ><center>Over de luchtkwaliteitsniveaus<br><br><style type="text/css">#legend-full table.infoaqitable {line-height: 1.5;background-color: white;max-width: 1000px;width: 95%;margin: 0px;border: 1px solid black;cursor: pointer;}#legend-full table.infoaqitable td {padding: 5px;font-size: 15px;text-shadow: none;}#legend-full .aqiwtxt {color: #ffffff;}#legend-full .aqibtxt {color: #000000;}@media only screen and (max-width: 800px) {#legend-full table.infoaqitable {width: 98%;}}@media only screen and (max-width: 800px) {#legend-full table.infoaqitable td {display: block;}#legend-full table.infoaqitable td:nth-child(1) {display: inline-block;font-size: 1.2em;}#legend-full table.infoaqitable td:nth-child(2) {display: inline-block;font-weight: 800;font-size: 1.2em;}}</style><div id='legend-full' onclick='window.location="/scale/"'><table class="infoaqitable"><thead><tr><td>-<td >Luchtkwaliteitsindex (AQI)-waarden<td>Niveaus van gezondheidsproblemen</td></tr></thead><tr style="background-color:#009966;"><td class='aqiwtxt' nowrap="true">0 - 50</td><td class='aqiwtxt'>Goed</td><td class='aqiwtxt'>Luchtkwaliteit wordt als bevredigend beschouwd en luchtverontreiniging vormt weinig of geen risico</td></tr><tr style="background-color:#ffde33" class='aqibtxt'><td class='aqibtxt' nowrap="true">51 -100</td><td class='aqibtxt'>Matig</td><td class='aqibtxt'>Luchtkwaliteit is acceptabel; voor sommige verontreinigende stoffen kan er echter sprake zijn van een matige gezondheidsrisico voor een zeer klein aantal mensen dat ongewoon gevoelig is voor luchtvervuiling.</td></tr><tr style="background-color:#ff9933;"><td class='aqibtxt' nowrap="true">101-150</td><td class='aqibtxt'>Ongezond voor gevoelige groepen</td><td class='aqibtxt'>Leden van gevoelige groepen kunnen gezondheidseffecten ervaren. Het grote publiek zal waarschijnlijk niet worden beïnvloed.</td></tr><tr style="background-color:#cc0033;"><td class='aqiwtxt' nowrap="true">151-200</td><td class='aqiwtxt'>Ongezond</td><td class='aqiwtxt'>Iedereen kan gezondheidseffecten ervaren; leden van gevoelige groepen kunnen ernstiger gezondheidseffecten ervaren</td></tr><tr style="background-color:#660099;"><td class='aqiwtxt' nowrap="true">201-300</td><td class='aqiwtxt'>Zeer Ongezonde</td><td class='aqiwtxt'>Gezondheidswaarschuwingen voor noodomstandigheden. De volledige populatie is mogelijk getroffen.</td></tr><tr style="background-color:#7e0023;"><td class='aqiwtxt' nowrap="true">300+</td><td class='aqiwtxt'>gevaarlijk</td><td class='aqiwtxt'>Gezondheidswaarschuwing: iedereen kan ernstigere gezondheidseffecten ervaren</td></tr></table></div><br>Als u meer wilt weten over luchtkwaliteit en vervuiling, raadpleegt u het <a href='http://en.wikipedia.org/wiki/Air_quality'>Wikipedia-onderwerp Luchtkwaliteit</a> of de <a href='http://www.airnow.gov/index.cfm?action=aqibasics.aqi'>airnow-gids voor luchtkwaliteit en uw gezondheid</a> .<br><br>Voor zeer nuttige gezondheidsadviezen van de Beijing-arts Richard Saint Cyr MD, kijk op de blog <a href='http://www.myhealthbeijing.com/'>www.myhealthbeijing.com</a> .<br><br></center></div></div></div><center><br><ins class="adsbygoogle" style="display:block"data-ad-client="ca-pub-0281575029452656"data-ad-slot="2455076269"data-ad-format="auto"></ins><script>(adsbygoogle = window.adsbygoogle || []).push({});</script><style type='text/css'>.usage-notice {line-height:1.5;max-width:95%;width:1000px;margin-top:10px;padding:5px;font-size: 15px;background-color:#ffffff;text-shadow: 1px 1px 1px white;-webkit-box-shadow: 1px 1px 8px -3px rgba(0,0,0,0.3);}</style><div class="textshadowwhite usage-notice" style=''><b>Gebruiksmelding</b>: Alle gegevens van de luchtkwaliteit zijn niet-gevalideerd op het moment van publicatie en als gevolg van kwaliteitsborging kunnen deze gegevens op elk gewenst moment zonder voorafgaande kennisgeving worden gewijzigd. Het <a href='https://aqicn.org'> World Air Quality Index </a> -project heeft alle redelijke vaardigheid en zorg besteed aan het samenstellen van de inhoud van deze informatie en onder geen enkele voorwaarde zal de <a href='https://aqicn.org'> World Air Quality Index </a> projectteam of zijn agenten zijn aansprakelijk in contract, onrechtmatige daad of anderszins voor enig verlies, letsel of schade die direct of indirect voortvloeit uit de levering van deze gegevens.</div><br><br><br></center><div id="fixed-footer-marker" class="locked"></div><div id="floating-footer" class="footer-overlay floating-footer-overlay footer"></div><div id="fixed-footer" class="footer"><div id="footer-overlay" class="footer-overlay"></div><br><br><center><div id='fixed-footer-menu-buttons-with-text' style='max-width:80%;margin-bottom:20px;display:none;'><a href='javascript:go2home();' class='menubar-text'><div class='fixed-menubar-button'><div class='sprite-isprt-web-home'></div>Home</div></a> <a 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class='footercolumn1 footercolumn'><h3>Over dit project</h3><br><li><a href='/contact/nl/'>Neem contact op met het projectteam van de World Air Quality Index</a></li><li><a href='/media/nl/'>Pers- en mediakit</a></li><br><h3><a href='/research/nl/'>onderzoek naar luchtkwaliteit</a></h3><br><li><a href='/faq/nl/'>Kennisbank en artikelen over luchtkwaliteit</a></li><li><a href='/research/nl/'>Experimenten met luchtkwaliteit</a></li><li><a href='/sensor/nl/'>Analyse van luchtkwaliteitsensoren</a></li><br><h3><a href='/faq/nl/'>Veel Gestelde Vragen</a></h3><br><li><a href='/sources/nl/'>Gegevensbron luchtkwaliteit</a></li><li><a href='/faq/2015-03-15/air-quality-nowcast-a-beginners-guide/nl/'>Berekening van de luchtkwaliteitsindex</a></li><li><a href='/forecast/nl/'>Voorspelling van de luchtkwaliteit</a></li><li><a href='/products/nl/'>Luchtkwaliteitsproducten (maskers, monitoren…)</a></li><li><a href='/api/nl/'>API (Applicatieprogrammeringsinterface)</a></li><li><a href='/data-platform/nl/'>Historisch gegevensplatform</a></li></div><div class='footercolumn2 footercolumn'><h3>Credits</h3><br><li><a href='/sources/nl/'>Alle EPA ter wereld voor hun uitstekende werk bij het onderhouden, meten en verstrekken van luchtkwaliteitsinformatie aan de wereldburgers</a></li><li><a href='http://www.maxmind.com' target=_>Dit product bevat GeoLite2-gegevens gemaakt door MaxMind, beschikbaar op maxmind.com.</a><li><a href='http://geonames.org' target=_>Dit product bevat stadsinformatie van GeoNames, beschikbaar op geonames.org.</a><li><a href="http://openweathermap.org/" target="__s">Open weerkaart, gecombineerd met qweather™-verbeteringsalgoritme</a><li><a href='http://wxqa.com' target="__s">Citizen Weather Observer-programma</a> via <a href='https://cwop.waqi.info' target="__s">cwop.waqi.info</a><li><a href="http://atmosphere.copernicus.eu/" target="__s">Bevat gewijzigde Copernicus Atmosphere Monitoring Service-informatie</a><li><a href="https://www.flaticon.com/" target="__s" title="Flaticon">Enkele iconen gemaakt door Freepik van www.flaticon.com</a><li><a href="https://locationiq.com/" target="__s" title="location IQ">Omgekeerde geocodering door locationiq.com</a><li><a href="https://www.openstreetmap.org/copyright" target="__s" title="Open Street Map">Basiskaart en gegevens van OpenStreetMap.</a></div><div class='footercolumn3 footercolumn'><center>© 2008-2025<br><a href='https://waqi.info'><span>Het World Air Quality Index-project</span></a><br><br><img src='https://waqi.info/icons/logo.png?_=1743292996' class='footer-logo' alt='the World Air Quality Index project logo' border=0 height=100>  <img class='async-img' data-src='https://aqicn.org/images/MadeInBJ.png?_=1743292996' class='madeinbjlogo' alt='made in 北京' border=0><br><br></center></div></div></center><div style='clear:both'></div><div style='clear:both;'></div><center><div id='xatzcaqd'></center><br><div id='mailing-list-footer'><style 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"0" : "" ) + hours;time += ":"+( minutes < 10 ? "0" : "" ) + minutes;var ot = document.getElementById("ClockTime");if (ot) ot.innerHTML = time;}setInterval( function() { setTimeText() }, 1000*60*15 );setTimeText();};aqi18n.register('aqi-implication-0-50',"Luchtkwaliteit wordt als bevredigend beschouwd en luchtverontreiniging vormt weinig of geen risico");aqi18n.register('aqi-level-0-50',"Goed");aqi18n.register('aqi-implication-50-100',"Luchtkwaliteit is acceptabel; voor sommige verontreinigende stoffen kan er echter sprake zijn van een matige gezondheidsrisico voor een zeer klein aantal mensen dat ongewoon gevoelig is voor luchtvervuiling.");aqi18n.register('aqi-level-50-100',"Matig");aqi18n.register('aqi-implication-100-150',"Leden van gevoelige groepen kunnen gezondheidseffecten ervaren. Het grote publiek zal waarschijnlijk niet worden be\u00efnvloed.");aqi18n.register('aqi-level-100-150',"Ongezond voor gevoelige groepen");aqi18n.register('aqi-level-100-150-html',"<div style='line-height:1.1'>Ongezond<br><span style='font-size:16px;'>voor gevoelige groepen<\/span><\/div>");aqi18n.register('aqi-implication-150-200',"Iedereen kan gezondheidseffecten ervaren; leden van gevoelige groepen kunnen ernstiger gezondheidseffecten ervaren");aqi18n.register('aqi-level-150-200',"Ongezond");aqi18n.register('aqi-implication-200-300',"Gezondheidswaarschuwingen voor noodomstandigheden. De volledige populatie is mogelijk getroffen.");aqi18n.register('aqi-level-200-300',"Zeer Ongezonde");aqi18n.register('aqi-level-200-300-html',"<div style='line-height:1.1'><span style='font-size:16px;'>Zeer<\/span><br>Ongezonde<\/div>");aqi18n.register('aqi-implication-300-500',"Gezondheidswaarschuwing: iedereen kan ernstigere gezondheidseffecten ervaren");aqi18n.register('aqi-level-300-500',"gevaarlijk");aqi18n.register('updated',"Updated");</script><script type="text/javascript">["preInitPage","initTime"].forEach(function(f){if (window[f]) { try { window[f](); } catch (e) { loge("error in "+f,e); }} });</script><script src='/jscripts/moment/bundle.min.js?_=20200103.150752&type=script'></script><script src='https://aqicn.org/air-cache/tingle/0.15.1/tingle.min.js?_=20191109.130307' type='text/javascript'></script><script type="text/javascript">document.addEventListener("DOMContentLoaded", function() { ["Page","HeadSearch","Search","Notify","Geolocate","AqiForecast","Download","Sharing","Page2"].forEach(function(f){f = "init"+f;if (window[f]) { try { window[f](); } catch (e) { loge ("error in "+f,e,e.stack);}; }});if (typeof ntfOnInit != "undefined") ntfOnInit();});</script><script type="text/javascript">(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');ga('create', 'UA-28507883-1', 'auto');ga('send', 'pageview');try {var images = document.querySelectorAll('.async-img');var config = { rootMargin: '50px 0px', threshold: 0.01};function preloadImage(img) {img.src = img.dataset.src; }function onIntersection(entries) {entries.forEach(function(entry) {if (entry.intersectionRatio > 0) {observer.unobserve(entry.target);preloadImage(entry.target);}})}var observer = new IntersectionObserver(onIntersection, config);images.forEach(function(image){observer.observe(image)});} catch (e) {} </script></body></html>