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href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//ro'><div title='Romanian' class='sprite-isprt-web-ro flag-ro'>🇷🇴</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//bg'><div title='Bulgarian' class='sprite-isprt-web-bg flag-bg'>🇧🇬</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//ur'><div title='Urdu' class='sprite-isprt-web-pk flag-ur'>🇵🇰</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//hi'><div title='Hindi' class='sprite-isprt-web-in flag-hi'>🇮🇳</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//ar'><div title='Arabic' class='sprite-isprt-web-ae flag-ar'>🇦🇪</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//sr'><div title='Serbian' class='sprite-isprt-web-rs flag-sr'>🇷🇸</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//bn'><div title='Bangla' class='sprite-isprt-web-bd flag-bn'>🇧🇩</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//bs'><div title='Bosnian' class='sprite-isprt-web-ba flag-bs'>🇧🇦</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//hr'><div title='Croatian' class='sprite-isprt-web-hr flag-hr'>🇭🇷</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//tr'><div title='Turkish' class='sprite-isprt-web-tr flag-tr'>🇹🇷</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//uk'><div title='Ukrainian' class='sprite-isprt-web-ua flag-uk'>🇺🇦</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//cs'><div title='Czech' class='sprite-isprt-web-cz flag-cs'>🇨🇿</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//be'><div title='Belarusian' class='sprite-isprt-web-by flag-be'>🇧🇾</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//km'><div title='Khmer' class='sprite-isprt-web-kh flag-km'>🇰🇭</div></a><a href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index/' 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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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/2015-05-15/india-national-air-quality-index//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 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href='https://aqicn.org/faq/2015-05-15/india-national-air-quality-index/be/'>aqicn.org/faq/2015-05-15/india-national-air-quality-index/be/</a></i><br><div class='entry-content' ng-controller='MainController as ctrl'> <div style='font-size:80%;padding:3px;border:1px solid black;background: #CBD5F5;display:flex;'> <p> Note: On Januray 8th 2016, the AQI scale used on the World Air Quality Index project for all stations in India has been updated to better align with the US EPA Standard (This does not apply the DPCC Stations in New Delhi which were already using the standard US EPA Standard). </p> <p> From the article below, you can understand how to convertion from the NAQI (India National Air Quality Index) to the US EPA AQI is done. </p> </div> <br> <div style='float:right;padding-left:10px;border:0px solid black;'> <center> <small> <div class='img-thumbnail flag flag-icon-background flag-icon-in' style='width:250px;height:150px;'></div> Flag of India<br><small>(Tiranga, तिरंगा)</small> </small> </div> <link rel='stylesheet' href='/images/flags.css/css/flag-icon.min.css' /> <p class='bigletter'> The Indian Central Pollution Control Board has recently announced, in April 2015, the publication of India's National Air Quality Index Standard (<i>NAQI </i>). All the details on this standard are available from <a href='http://www.cpcb.nic.in/AQI_new.php'>CPCB</a>, <a href='http://en.wikipedia.org/wiki/Air_quality_index#India'>wikipedia</a> or from this <a href='/images/aqi-scales/india-national-air-quality-standard.pdf'>report</a> from Indian Institute of Technology, Kanpur (<a href='http://iitk.ac.in'>iitk.ac.in</a>). </p> <p> This is actually a very important step forward in the Air Quality world awarness, since the air pollution in each country is very much specific to the country pollution type: For instance because of Dust (in Arabic Peninsula), because of Transport (New Delhi) or topography (Chile). </p> <p>Fore more information, you can refer to Doctor Sarath Guttikunda's blog on <a href='http://www.urbanemissions.info/'>urbanemissions.info</a>, especially this excellent <a href='http://urbanemissions.blogspot.in/2015/04/infographic-are-we-chasing-right.html'>infographics</a> for New Delhi. </p> <p> And without surprise, the India National Air Quality Index Standard is much more adapted to the "<i>Asian Dust</i>", with AQI values much higher that the US EPA standard for significant particulate matter (PM<sub>10</sub> and PM<sub>2.5</sub>) concentrations. The graphs below are sumurizing the compared AQI for PM10, PM2.5 and Ozone (just move your mouse on the graphs to see the AQI values for each scales). </p> <table width=100% id='pm-table'> <tr> <div id='us-in-pm25'></div> <div id='us-in-pm10'></div> <div id='us-in-o3'></div> </table> <p> (Note that the Ozone scale is converted from µg/m<sup>3</sup> to ppm, as explained in <a href='/faq/2015-05-18/ground-ozone-air-quality-index-update-with-instant-cast/be/'>this article</a>) </p> <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> <div style='font-size:80%;padding:3px;border:1px solid black;background: #CBD5F5;'> <p> Note: The interesting point to notice is that for PM<sub>2.5</sub> pollution (which is most of the the worst pollutant in India jsut like China and Asia in general), an AQI value of 500 for the India NAQI is equivalent to an AQI of 420 in the US EPA Standard - This is because of the NAQI is much more strict than the US EPA, and that is really a good thing about the NAQI. </p> <p> The consequence is that because the values provided on the Indian National Air Quality portal (done by iitk) are capped to a maximum of 500, the converted AQI on the World Air Quality Index project is a subsequently capped to a maximum of 420. Note that this only applies for readings from the National portal - for New Delhi DPCC stations, the readings are provided as uncapped raw concentration. </p> </div> <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> <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'/> <div style='width:420px;max-width:100%;float:right;margin-left:5px;'> <table class='aqiCompareTable' style='background-color:#f8f8f8;border:1px solid black;line-height:1.2;'><tr><th>Range<th><center><div class='img-thumbnail flag flag-icon-background flag-icon-us' style='width:30px;height:18px;display:inline-block;'></div> - AQI<br><small>United States<th><center><div class='img-thumbnail flag flag-icon-background flag-icon-in' style='width:30px;height:18px;display:inline-block;'></div> - NAQI<br><small>India<tr><td rowspan=50 style='min-height:100px;'>0..50<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#009966;width:30px;height:10px;border:1px solid black;'></div>Good<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#00c564;width:30px;height:10px;border:1px solid black;'></div>Good</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>50..100<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#ffde33;width:30px;height:10px;border:1px solid black;'></div>Moderate<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#8ddf5f;width:30px;height:10px;border:1px solid black;'></div>Satisfactory</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>100..150<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#ff9933;width:30px;height:10px;border:1px solid black;'></div>Unhealthy for Sensitive Groups<td rowspan=100 style='line-height:1.1;width:50%;'><center><div style='background-color:#faff00;width:30px;height:10px;border:1px solid black;'></div>Moderate</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>150..200<td rowspan=50 style='line-height:1.1;width:50%;'><center><div style='background-color:#cc0033;width:30px;height:10px;border:1px solid black;'></div>Unhealthy</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>200..250<td rowspan=100 style='line-height:1.1;width:50%;'><center><div style='background-color:#660099;width:30px;height:10px;border:1px solid black;'></div>Very Unhealthy<td rowspan=100 style='line-height:1.1;width:50%;'><center><div style='background-color:#ffa600;width:30px;height:10px;border:1px solid black;'></div>Poor</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>250..300<tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>300..350<td rowspan=200 style='line-height:1.1;width:50%;'><center><div style='background-color:#7e0023;width:30px;height:10px;border:1px solid black;'></div>Hazardous<td rowspan=100 style='line-height:1.1;width:50%;'><center><div style='background-color:#ff0000;width:30px;height:10px;border:1px solid black;'></div>Very Poor</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>350..400<tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>400..450<td rowspan=100 style='line-height:1.1;width:50%;'><center><div style='background-color:#de0000;width:30px;height:10px;border:1px solid black;'></div>Severe</tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><td rowspan=50 style='min-height:100px;'>450..500<tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr><tr></table> </div> <p> Historically, the US EPA standard has been used on the <a href='/home/be/'>World Air Quality Index project</a> for reporting the real-time Air Quality all over the world. After looking at the AQI scales for <a href='/faq/2015-05-10/a-comparison-of-latin-american-air-quality-scales/be/'>Latin America</a>, we realized that what makes our world beautiful is its diversity, and are now convinced that having only one unique scale might not be the right solution for all. </p> <p> For this reason, we are now working on a new feature which will allow users to select the AQI scale which best fits their needs, depending on where they are located in the world, but also depending on the health condition: For instance, for people with asthma or other respiratory problems, there is a real need for an extra safe AQI scale. </p> <p> While the AQI Scale selection feature is being developed, we will still present the Air Quality information based on the US EPA standard. So if you notice any difference between the values published on India's new National Air Quality Index System and the World Air Quality Index project, this is very likely the reason. Another reason is that we are also promoting the use of the <a href='/faq/2015-03-15/air-quality-nowcast-a-beginners-guide/be/'>Instant Cast</a> reporting - but India's NAQI reporting system seems to be is already using it. </p> <script type="text/javascript"> function doInitPage() { var width = document.getElementById("pm-table").clientWidth * .95; var scales = new AqiScale({"us":{"standard":{"epa":"United States Environmental Protection Agency","url":"http:\/\/epa.gov","unit":["AQI","Air Quality Index"]},"levels":[{"range":50,"title":"Good","color":"#009966","description":"Air quality is considered satisfactory, and air pollution poses little or no risk","textcolor":"#ffffff","plevel":0},{"range":100,"title":"Moderate","color":"#ffde33","description":"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.","plevel":50},{"range":150,"title":"Unhealthy for Sensitive Groups","color":"#ff9933","description":"Members of sensitive groups may experience health effects. 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article is part of a series on Worldwide Air Quality scales. <br> <br> For more information about specific countries or continent, please refer to those articles: <a href='/faq/2015-05-02/south-asian-air-quality-scales-malaysia-and-thailand/be/'> <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> Thailand and Malysia </a> - <a href='/faq/2015-05-15/india-national-air-quality-index/be/'> <div class='flag flag-icon-background flag-icon-in' style='width:22px;height:12px;display:inline-block;'></div> India </a> - <a href='/faq/2015-03-20/a-comparison-of-worldwide-air-quality-scales-part-1/be/'> <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/be/'> <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> Hong Kong / Canada (Air Quality Health Index) </a> - <a href='/faq/2015-05-30/air-quality-forecast-in-south-america/be/'> <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> South America </a> - <a href='/faq/2014-09-06/australian-air-quality-comparison-with-the-us-epa-aqi-scale/be/'> <div class='flag flag-icon-background flag-icon-au' style='width:22px;height:12px;display:inline-block;'></div> Australia </a> - <a href='/faq/2015-07-16/air-quality-scale-in-quebec-and-montreal/be/'> <div class='flag flag-icon-background flag-icon-ca' style='width:22px;height:12px;display:inline-block;'></div> Quebec and Montreal </a> - <a href='/faq/2013-06-25/singapore-psi-and-pm25-aqi-why-is-there-a-difference-between-the-two-readings/be/'> <div class='flag flag-icon-background flag-icon-sg' style='width:22px;height:12px;display:inline-block;'></div> Singapore </a> - <a href='/faq/2015-09-03/air-quality-scale-in-poland/be/'> <div class='flag flag-icon-background flag-icon-pl' style='width:22px;height:12px;display:inline-block;'></div> Poland </a> - <a href='/faq/2015-07-18/real-time-air-quality-monitoring-in-indonesia/be/'> <div class='flag flag-icon-background flag-icon-id' style='width:22px;height:12px;display:inline-block;'></div> Indonesia </a>. <p> For information about the 24 hours averaging used or Ozone and Particulate Matter (PM<sub>2.5</sub>), please refer to those two articles: <a href='/faq/2015-05-18/ground-ozone-air-quality-index-update-with-instant-cast/be/'>Ground Ozone Index</a> - <a href='/faq/2015-03-15/air-quality-nowcast-a-beginners-guide/be/'>PM<sub>2.5</sub> Instant Cast</a> </p> </div> </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: 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href='https://aqicn.org/faq/using-statistical-distances-for-real-time-sensor-networks-validation/be/'>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/be/'>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/be/'>Ozone AQI Scale update</a></li><li><a href='https://aqicn.org/faq/2016-02-28/air-quality-forecasting-in-northern-india/be/'>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/be/'>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/be/'>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-/be/'>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/be/'>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='h1header2' style='padding:2px;font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;;'>Пра якасць паветра і вымярэнне забруджвання:</div></h1></div><script type='text/javascript'> ; if (!isMobileUA) { fitLine('#h1header2',.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>Пра ўзровень якасці паветра<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 >Значэнні індэкса якасці паветра (AQI).<td>Узроўні занепакоенасці здароўем</td></tr></thead><tr style="background-color:#009966;"><td class='aqiwtxt' nowrap="true">0 - 50</td><td class='aqiwtxt'>добра</td><td class='aqiwtxt'>Якасць паветра лічыцца здавальняючым, і забруджванне паветра ўяўляе мала або няма рызыкі</td></tr><tr style="background-color:#ffde33" class='aqibtxt'><td class='aqibtxt' nowrap="true">51 -100</td><td class='aqibtxt'>ўмераны</td><td class='aqibtxt'>Якасць паветра з'яўляецца прымальным; Аднак, для некаторых забруджвальных рэчываў можа быць умераным турботай здароўя для вельмі невялікай колькасці людзей, якія незвычайна адчувальныя да забруджвання паветра.</td></tr><tr style="background-color:#ff9933;"><td class='aqibtxt' nowrap="true">101-150</td><td class='aqibtxt'>Нездаровы для адчувальных груп</td><td class='aqibtxt'>Члены адчувальных груп могуць адчуваць наступствы для здароўя. Шырокая грамадскасць, хутчэй за ўсё, будуць закрануты няма.</td></tr><tr style="background-color:#cc0033;"><td class='aqiwtxt' nowrap="true">151-200</td><td class='aqiwtxt'>нездаровы</td><td class='aqiwtxt'>Кожны можа пачаць адчуваць ўздзеянне на здароўе; Члены адчувальных груп могуць адчуваць больш сур'ёзныя наступствы для здароўя</td></tr><tr style="background-color:#660099;"><td class='aqiwtxt' nowrap="true">201-300</td><td class='aqiwtxt'>Вельмі Нездаровы</td><td class='aqiwtxt'>папярэджання для здароўя надзвычайных сітуацый. Усё насельніцтва, хутчэй за ўсё, будуць закрануты.</td></tr><tr style="background-color:#7e0023;"><td class='aqiwtxt' nowrap="true">300+</td><td class='aqiwtxt'>небяспечны</td><td class='aqiwtxt'>Небяспечна для здароўя: кожны можа адчуваць больш сур'ёзныя наступствы для здароўя</td></tr></table></div><br>Каб даведацца больш пра якасць паветра і забруджванне, азнаёмцеся з <a href='http://en.wikipedia.org/wiki/Air_quality'>тэмай Вікіпедыі «Якасць паветра»</a> або <a href='http://www.airnow.gov/index.cfm?action=aqibasics.aqi'>кіраўніцтвам airnow «Якасць паветра і ваша здароўе»</a> .<br><br>Вельмі карысныя парады па здароўі ад доктара медыцынскіх навук з Пекіна Рычарда Сэн-Сіра глядзіце ў блогу <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 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