Beijing Air Quality Index

Moderately Polluted(Class D)
(January 17th,2017 ,02:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 143.27μg/m3,24-hour PM2.5: 119.08μg/m3.
1-hour PM2.5 ranks #327 in China by ascending,total 367 cities.
1-hour PM10: 129μg/m3,24-hour PM10: 129.84μg/m3.

All Air Monitoring Sites Of Beijing City(Real Time Data)

Indicators instruction:
AQI=Air Quality Index; PM2.5=Particles less than 2.5 micrometers in diameter; PM10=Particles between 2.5 and 10 micrometers in diameter; CO=carbon monoxide;NO2=nitrogen dioxide;SO2=sulfur dioxide;O3-1h=Ozone 1-hour average;O3-8h=Ozone 8-hour average;

Unit: μg/m3(CO=mg/m3)
12 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1220170-2.17325176Heavily Polluted
Site 22111611691.96531237Heavily Polluted
Site 32091591631.985312410Heavily Polluted
Site 42001501731.655312912Moderately Polluted
Site 5202152-2.17530186Heavily Polluted
Site 6188141-1.357335431Moderately Polluted
Site 731-5-62283211Excellent
Site 81471121291.443274014Lightly Polluted
Site 91601221391.453172710Moderately Polluted
Site 101601221251.557241926Moderately Polluted
Site 11185139-1.548384112Moderately Polluted
Site 12198148-1.862413311Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #327 in China(total 367),defeat 11% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-16 #283125951081.7386718128Lightly Polluted
2017-01-15 #2047554721.01149113530Good
2017-01-14 #1205520410.82743115850Good
2017-01-13 #36368210.3862157371Excellent
2017-01-12 #1325839590.8646127547Good
2017-01-11 #2288854811.49970183422Good
2017-01-10 #504324430.643376861Excellent
Note :03-1h, O3-8h to 24 hours maximum, 24-hour average of other pollutants, daily AQI based on "Ambient Air Quality Index (AQI) Technology (Trial)" (HJ633-2012) published in the daily AQI standard calculations.