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class='sprite-isprt-web-id flag-id'>🇮🇩</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//nl'><div title='Dutch' class='sprite-isprt-web-nl flag-nl'>🇳🇱</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//fa'><div title='Persian' class='sprite-isprt-web-ir flag-fa'>🇮🇷</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//th'><div title='Thai' class='sprite-isprt-web-th flag-th'>🇹🇭</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hu'><div title='Hungarian' class='sprite-isprt-web-hu flag-hu'>🇭🇺</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//el'><div title='Greek' class='sprite-isprt-web-gr flag-el'>🇬🇷</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ro'><div title='Romanian' class='sprite-isprt-web-ro flag-ro'>🇷🇴</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bg'><div title='Bulgarian' class='sprite-isprt-web-bg flag-bg'>🇧🇬</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ur'><div title='Urdu' class='sprite-isprt-web-pk flag-ur'>🇵🇰</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hi'><div title='Hindi' class='sprite-isprt-web-in flag-hi'>🇮🇳</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ar'><div title='Arabic' class='sprite-isprt-web-ae flag-ar'>🇦🇪</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//sr'><div title='Serbian' class='sprite-isprt-web-rs flag-sr'>🇷🇸</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bn'><div title='Bangla' class='sprite-isprt-web-bd flag-bn'>🇧🇩</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bs'><div title='Bosnian' class='sprite-isprt-web-ba flag-bs'>🇧🇦</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hr'><div title='Croatian' class='sprite-isprt-web-hr flag-hr'>🇭🇷</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//tr'><div title='Turkish' class='sprite-isprt-web-tr flag-tr'>🇹🇷</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//uk'><div title='Ukrainian' class='sprite-isprt-web-ua flag-uk'>🇺🇦</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//cs'><div title='Czech' class='sprite-isprt-web-cz flag-cs'>🇨🇿</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//be'><div title='Belarusian' class='sprite-isprt-web-by flag-be'>🇧🇾</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//km'><div title='Khmer' class='sprite-isprt-web-kh flag-km'>🇰🇭</div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints/' class='lang-en'><div class='item'><div class='flag sprite-isprt-web-gb'></div><span class='name'>英語 <span>- English</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//cn' class='lang-zh-CN'><div class='item'><div class='flag sprite-isprt-web-cn'></div><span class='name'>簡体字中国語 <span>- 简体中文</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//jp' class='lang-ja'><div class='item'><div class='flag sprite-isprt-web-jp'></div><span class='name'>日本</span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//es' class='lang-es'><div class='item'><div class='flag sprite-isprt-web-es'></div><span class='name'>スペイン語 <span>- español</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//kr' class='lang-ko'><div class='item'><div class='flag sprite-isprt-web-kr'></div><span class='name'>韓国語 <span>- 한국의</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ru' class='lang-ru'><div class='item'><div class='flag sprite-isprt-web-ru'></div><span class='name'>ロシア <span>- русский</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hk' class='lang-zh-TW'><div class='item'><div class='flag sprite-isprt-web-hk'></div><span class='name'>繁体字中国語 <span>- 繁體中文</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//fr' class='lang-fr'><div class='item'><div class='flag sprite-isprt-web-fr'></div><span class='name'>フランス語 <span>- Francais</span></span></div></a><a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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/2013-09-09/revised-pm25-aqi-breakpoints//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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class='h1section'><h1><div id='h1header1' style='padding:2px;padding:5px 0;font-family:"Noto Serif",Cambria,"Palatino Linotype","Book Antiqua","URW Palladio L",serif;;;'>PM2.5 AQI ブレークポイントの改訂</div><div id='h1header2' class='h1sub' >Revised PM2.5 AQI breakpoints</div></h1></div><script type='text/javascript'> ; if (!isMobileUA) { fitLine('#h1header1',.88,{maxfs:45});fitLine('#h1header2',.88,{maxfs:38}); }; </script><style>.section-outer {text-align: initial;}.section-content {max-width: 95%;width: 1100px;font-size: 18px;min-height: 300px;text-align: initial;margin-top: 10px;margin-bottom: 10px;line-height: 1.8;margin-left: auto;margin-right: auto;}.section-content-tight {min-height: 0px;}.section-content-alt {background-color: #f0f0f0;border-top: 1px solid #ccc;border-bottom: 1px solid #ddd};.section-banner {background-size: 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 9<sup>th</sup> 2013</i><div style='height:1px;background-color:#aaaaaa;width:300px;margin-top:5px;'></div><div id="gtrans-div-id" style="float:right" class="gtrans-div"></div><script>try { googleTranslate(); } catch (e) {}</script><div 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{text-decoration: none;}</style><i style='color:#888;font-size:13px;word-break: break-all;'>共有: <a href='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints/jp/'>aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints/jp/</a></i><br><div class='entry-content' ng-controller='MainController as ctrl'> <p>歴史的な理由により、世界大気質指数プロジェクトの一部の都市で使用されている AQI 換算式<a href='http://www.epa.gov/airquality/particlepollution/2012/decfsstandards.pdf' target=_>では、更新された 2012 EPA PM <sub>2.5</sub>基準</a>が使用されていませんでした。 (これは、日本や台湾などのアジアの都市にのみ当てはまります。他の大陸 (アメリカ、ヨーロッパ、オーストラリア) では、常に 2012 年の標準が使用されています。</p> <p>2012 年 12 月 14 日に発行されたこの最新の EPA 基準は、以前の基準 (1999 年に発行) と比較して、PM <sub>2.5</sub> AQI レベル 50 を 15μg/m <sup>3</sup>から 12μg/m <sup>3</sup>に削減 (制限) することが主な変更点です。これは、より厳格な大気品質基準を強制するためです。</p> <p>2013 年 9 月 9 日以降、すべての国が同じ PM2.5 AQI 換算スケールを使用するようになりました。これは次の表に反映されています。</p> <br> <center><table class='fetching' style='width:80%!important'><tr style='min-height:30px;'><td width=30% style='background:#aaaaaa;color:#dddddd;'>AQI Category</td><td width=20% >Index Values<td width=25% >Previous Breakpoints<br><small>(µg/m<sup>3</sup>, 24-hour average)<td width=25% >Revised Breakpoints<br><small>(µg/m<sup>3</sup>, 24-hour average)<tr style='min-height:30px;'><td width=30% style='background:#009966;color:#ffffff;'>Good</td><td width=20% >0 - 50<td width=25% >0.0 - 15.0<td width=25% >0.0 – <b>12.0</b><tr style='min-height:30px;'><td width=30% style='background:#ffde33;color:#000000;'>Moderate</td><td width=20% >51 - 100<td width=25% >>15.0 - 40<td width=25% >12.1 – <b>35.4</b><tr style='min-height:30px;'><td width=30% style='background:#ff9933;color:#000000;'>Unhealthy for Sensitive Groups</td><td width=20% >101 – 150<td width=25% >>40 – 65<td width=25% >35.5 – <b>55.4</b><tr style='min-height:30px;'><td width=30% style='background:#cc0033;color:#ffffff;'>Unhealthy</td><td width=20% >151 – 200<td width=25% >> 65 – 150<td width=25% >55.5 – 150.4<tr style='min-height:30px;'><td width=30% style='background:#660099;color:#ffffff;'>Very Unhealthy</td><td width=20% >201 – 300<td width=25% >> 150 – 250<td width=25% >150.5 – 250.4<tr style='min-height:30px;'><td width=30% style='background:#7e0023;color:#ffffff;'>Hazardous</td><td width=20% >301 – 400<td width=25% >> 250 – 350<td width=25% >250.5 – 350.4<tr style='min-height:30px;'><td width=30% style='background:#7e0023;color:#ffffff;'>Hazardous</td><td width=20% >401 – 500<td width=25% >> 350 – 500<td width=25% >350.5 – 500</table></center> <br> <style> table.aqicomptable { border:0px solid black; border-spacing:0px; } table.aqicomptable td { margin:0px; padding:0px; } </style> <br> On a PM<sub>2.5</sub> particule mass scale from 0µg/m<sup>3</sup> to 100µg/m<sup>3</sup>, here is a visual comparison for the old and new standard AQI grades: <br> <br> <center><table class='aqicomptable' width=80%><tr><td>Particule<br>mass</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>10</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>20</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>30</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>40</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>50</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>60</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>70</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>80</td><td colspan=50 style='text-align:left;font-size:10px;width:5%;'> µg/m<sup>3</sup></td><td colspan=50 style='text-align:right;font-size:10px;width:5%;'>90</td></tr><tr><td></td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td></tr><tr><td>Old AQI<br>Standard:</td><td colspan=150 style='background:#009966;color:#ffffff;text-align:center;'><i>0..50</i></td><td colspan=250 style='background:#ffde33;color:#000000;text-align:center;'><i>50..100</i></td><td colspan=250 style='background:#ff9933;color:#000000;text-align:center;'><i>100..150</i></td><td colspan=350 style='background:#cc0033;color:#ffffff;text-align:center;'><i>150.....</i></td></tr><tr><td></td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td><td colspan=100 style='border-right:1px dashed black;'> </td></tr><tr><td>New AQI<br>Standard:</td><td colspan=120 style='background:#009966;color:#ffffff;text-align:center;'><i>0..50</i></td><td colspan=234 style='background:#ffde33;color:#000000;text-align:center;'><i>50..100</i></td><td colspan=200 style='background:#ff9933;color:#000000;text-align:center;'><i>100..150</i></td><td colspan=446 style='background:#cc0033;color:#ffffff;text-align:center;'><i>150.....</i></td></tr></table></center><br> <br> The Ozone calculation has also been updated to taken into account the <a href='http://www.nws.noaa.gov/ost/air_quality/FAQ_01172011.pdf'>8-hours standard</a>: The Ozone AQI is the calculated as the maximum of the 1-hour and 8 hours AQI, where the 1 hour AQI is only valid above 100 and the 8 hours AQI below 300. The 8 hour averaging is based on the calculation described in the <a href='http://www.arb.ca.gov/regact/area06/appe.pdf'>procedure for calculating state 8-hour ozone concentrations</a>. <br> <br> <center><table class='fetching' style='width:80%!important'><tr style='min-height:30px;'><td width=30% style='background:#aaaaaa;color:#dddddd;'>AQI Category</td><td width=20% >Index Values<td width=25% >8-hours breakpoints<br><small>(ppm)<td width=25% >1-hour breakpoints<br><small>(ppm)<tr style='min-height:30px;'><td width=30% style='background:#009966;color:#ffffff;'>Good</td><td width=20% >0 - 50<td width=25% >0 - 60<td width=25% >-<tr style='min-height:30px;'><td width=30% style='background:#ffde33;color:#000000;'>Moderate</td><td width=20% >51 - 100<td width=25% >60 - 75<td width=25% >-<tr style='min-height:30px;'><td width=30% style='background:#ff9933;color:#000000;'>Unhealthy for Sensitive Groups</td><td width=20% >101 – 150<td width=25% >75 – 95<td width=25% >125 - 165<tr style='min-height:30px;'><td width=30% style='background:#cc0033;color:#ffffff;'>Unhealthy</td><td width=20% >151 – 200<td width=25% >95 – 115<td width=25% >165 - 205<tr style='min-height:30px;'><td width=30% style='background:#660099;color:#ffffff;'>Very Unhealthy</td><td width=20% >201 – 300<td width=25% >115 – 375<td width=25% >205 - 405<tr style='min-height:30px;'><td width=30% style='background:#7e0023;color:#ffffff;'>Hazardous</td><td width=20% >301 – 500<td width=25% >-<td width=25% >405 - 505</table></center><br> <br> </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: 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style='display:block'><span>あなたの地域の大気質測定ステーションを知っていますか?</span> <span>あなた自身の大気質ステーションでマップに参加してみませんか?</span></div><img src='/air/view/gaia/images/gaia-series-a12-icon-with-map.png'><a href='/gaia/list/jp/' target=gaia_a08><span>詳細はこちら</span><div> > aqicn.org/gaia/ <</div></a></div></div><script>try {aqisrv.here().then(function(where) {var country = where.Country.IsoCode;var o = document.getElementById('gaia-section-banner');if (1 || country == 'FR' || country == 'ES') {o.style.display = '';o.style.visibility = 'visible';o.onclick = function() {window.location.assign('/gaia/list/jp/');}}}).catch(function(e) {});} catch (e) {}</script></center><center style='background-color: #ffffff;padding:20px 0;'><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></center><center style='padding:10px 0;border-top: 1px solid #ccc;'><div 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href='https://aqicn.org/faq/2017-01-10/nitrogen-dioxyde-no2-in-our-atmosphere/jp/'>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/jp/'>Ozone AQI Scale update</a></li><li><a href='https://aqicn.org/faq/2016-02-28/air-quality-forecasting-in-northern-india/jp/'>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/jp/'>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/jp/'>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-/jp/'>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/jp/'>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;;'>大気汚染指数の測定方法:</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>大気汚染レベルについて<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>指数</td><td>大気質指数の分類(米国）</td><td>健康影響 / カテゴリ</td><td>粒子状物質(PM10,PM2.5)</td></tr></thead><tr style="background-color:#009966;color:white"><td class='aqiwtxt'>0 - 50</td><td class='aqiwtxt'>良い - Good</td><td class='aqiwtxt'>通常の活動が可能</td><td class='aqiwtxt'>なし</td></tr><tr style="background-color:#ffde33"><td class='aqibtxt' >51 -100</td><td class='aqibtxt'>並 - Moderate</td><td class='aqibtxt'>特に敏感な者は、長時間又は激しい屋外活動の減少を検討</td><td class='aqibtxt'>非常に敏感な人は、長時間または激しい活動を減らすよう検討する必要がある。</td></tr><tr style="background-color:#ff9933;color:white"><td class='aqibtxt' >101-150</td><td class='aqibtxt' >敏感なグループにとっては健康に良くない - Unhealthy for Sensitive Groups</td><td class='aqibtxt'>心臓・肺疾患患者、高齢者及び子供は、長時間又は激しい屋外活動を減少</td><td class='aqibtxt'>心疾患や肺疾患を持つ人、高齢者、子供は、長時間または激しい活動を減らす必要がある。</td></tr><tr style="background-color:#cc0033;color:white"><td class='aqiwtxt' class='aqiwtxt'>151-200</td><td class='aqiwtxt' >健康に良くない - Unhealthy</td><td class='aqiwtxt'>上記の者は、長時間又は激しい屋外活動を中止 <br>すべての者は、長時間又は激しい屋外活動を減少</td><td class='aqiwtxt'>心疾患や肺疾患を持つ人、高齢者、子供は、長時間または激しい活動を中止する必要がある。それ以外の人でも、長時間または激しい活動を減らす必要がある。</td></tr><tr style="background-color:#660099;color:white"><td class='aqiwtxt'>201-300</td><td class='aqiwtxt' >極めて健康に良くない - Very Unhealthy</td><td class='aqiwtxt'>上記の者は、すべての屋外活動を中止 <br>すべての者は、長時間又は激しい屋外活動を中止</td><td class='aqiwtxt'>心疾患や肺疾患を持つ人、高齢者、子供は、全ての屋外活動を中止する必要がある。それ以外の人でも、長時間または激しい活動を中止する必要がある。</td></tr><tr style="background-color:#7e0023;color:white"><td class='aqiwtxt' >300+</td><td class='aqiwtxt' >危険 - Hazardous</td><td class='aqiwtxt'>上記の者は、屋内に留まり、体力消耗を避ける<br>すべての者は、屋外活動を中止</td><td class='aqiwtxt'>全ての人が屋外活動を中止する必要がある。特に、心疾患や肺疾患を持つ人、高齢者、子供は、屋内に留まって激しい活動を避け静かに過ごす必要がある。</td></tr></table>(Reference: see <a href='https://ja.wikipedia.org/wiki/%E7%A9%BA%E6%B0%97%E8%B3%AA%E6%8C%87%E6%95%B0'>wikipedia</a>,and <a href='http://www.cn.emb-japan.go.jp/consular_j/joho120217_j.htm'>cn.emb-japan.go.jp/</a>)<br></div><br>大気汚染についての更なる詳細をお知りになりたい方は、<a href='http://en.wikipedia.org/wiki/Air_quality'>Wikipedia</a>や<a href='http://www.airnow.gov/index.cfm?action=aqibasics.aqi'>AirNow</a>を参照してください。<br><br>北京在住の医師Richard Saint Cyr氏による大変役に立つ健康上のアドバイスは、<a href='http://www.myhealthbeijing.com/'> www.myhealthbeijing.com </a>をご覧ください。<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 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href='http://www.maxmind.com' target=_>この製品には、MaxMind によって作成された GeoLite2 データが含まれており、maxmind.com から入手できます。</a><li><a href='http://geonames.org' target=_>この製品には、geonames.org から入手できる GeoNames 都市情報が含まれています。</a><li><a href="http://openweathermap.org/" target="__s">qweather™ 改善アルゴリズムと組み合わせたオープン天気図</a><li><a href='http://wxqa.com' target="__s">市民気象観測員プログラム</a> via <a href='https://cwop.waqi.info' target="__s">cwop.waqi.info</a><li><a href="http://atmosphere.copernicus.eu/" target="__s">変更された Copernicus 大気監視サービス情報が含まれています</a><li><a href="https://www.flaticon.com/" target="__s" title="Flaticon">www.flaticon.com から Freepik によって作成されたアイコンの一部</a><li><a href="https://locationiq.com/" target="__s" title="location IQ">locationiq.com によるリバースジオコーディング</a><li><a href="https://www.openstreetmap.org/copyright" target="__s" title="Open Street Map">OpenStreetMap からのベースマップとデータ。</a></div><div class='footercolumn3 footercolumn'><center>© 2008-2025<br><a href='https://waqi.info'><span>世界大気質指数プロジェクト</span></a><br><br><img src='https://waqi.info/icons/logo.png?_=1740614559' 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?_=1740614559' 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 type="text/css">#mailing-list-footer .mailing-list-subscription {text-shadow: #000 1px 1px 1px;font-size: 15px;color: white;}</style><script>var 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style='clear:both;'><br><small>This page has been generated on Thursday, Feb 27th 2025, 08:02 am CST from jp2n</small><br><small><span id='gentime'></span></small><br><br></center><br><br></div><div id='settingsdiv-outer'><div id='settingsdiv'><div onclick='settingsMenu.close()'><svg height="24px" viewBox="0 0 512 512" width="24px" style='float:right;fill:white;'><path d="M74.966,437.013c-99.97-99.97-99.97-262.065,0-362.037c100.002-99.97,262.066-99.97,362.067,0 c99.971,99.971,99.971,262.067,0,362.037C337.032,536.998,174.968,536.998,74.966,437.013z M391.782,120.227 c-75.001-74.985-196.564-74.985-271.534,0c-75.001,74.985-75.001,196.55,0,271.535c74.97,74.986,196.533,74.986,271.534,0 C466.754,316.775,466.754,195.212,391.782,120.227z M188.124,369.137l-45.251-45.266l67.876-67.877l-67.876-67.876l45.251-45.267 L256,210.743l67.877-67.892l45.25,45.267l-67.876,67.876l67.876,67.877l-45.25,45.266L256,301.245L188.124,369.137z" /></svg><h2>設定</h2></div><br><center><div id='settings-lang'>言語を選択：<br><div class='sprite-isprt-web-gb flag'></div><div class='sprite-isprt-web-cn flag'></div><div class='sprite-isprt-web-jp flag'></div><div class='sprite-isprt-web-kr flag'></div><div class='sprite-isprt-web-pl flag'></div><br><select onchange='location.href = this.value'><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints/' >English - 英語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//cn' >简体中文 - 簡体字中国語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//jp' selected>日本</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//es' >español - スペイン語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//kr' >한국의 - 韓国語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ru' >русский - ロシア</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hk' >繁體中文 - 繁体字中国語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//fr' >Francais - フランス語</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//pl' >Polski - Polish</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//de' >Deutsch - German</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//pt' >Português - Portuguese</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//vn' >Tiếng Việt - Vietnamese</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//it' >Italiano - Italian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//id' >bahasa Indonesia - Indonesian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//nl' >Nederlands - Dutch</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//fa' >فارسی - Persian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//th' >ภาษาไทย - Thai</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hu' >Magyar - Hungarian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//el' >Ελληνικά - Greek</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ro' >Română - Romanian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bg' >български - Bulgarian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ur' >اردو - Urdu</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hi' >हिंदी - Hindi</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//ar' >العربية - Arabic</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//sr' >Српски - Serbian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bn' >বাংলা - Bangla</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//bs' >босански - Bosnian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//hr' >hrvatski - Croatian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//tr' >Türkçe - Turkish</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//uk' >українська - Ukrainian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//cs' >čeština - Czech</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//be' >беларускі - Belarusian</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//km' >ខ្មែរ - Khmer</option><option value='https://aqicn.org/faq/2013-09-09/revised-pm25-aqi-breakpoints//lo' >ລາວ - Lao</option></select></div><br><table><tr><td><center><i>Temperature unit:</i><br><span style='font-size:18px'><span style='display:;' id='settings-temp-label-on'>Celcius</span><span style='display:none;' id='settings-temp-label-off'>Fahrenheit</span></span></center></td><td><div class="onoffswitch" onclick='settingsMenu.click("temp")'><input type="checkbox" name="onoffswitch" class="onoffswitch-checkbox" id="settings-temp" checked><label class="onoffswitch-label" for="myonoffswitch"><span class="onoffswitch-inner"></span><span class="onoffswitch-switch"></span></label></div></table></center><br></div><div style='display:none;height:0px;' id='settingsdiv-arrow'><div style='width: 0; height: 0; border: 7px solid transparent;top:0px;border-top: 7px solid #fff;position:relative;;margin-left:100px;'></div></div></div><link rel='stylesheet' type='text/css' 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