Beijing Air Quality Index

Excellent(Class A)
(October 13th,2015 ,04:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.

Beijing PM2.5

1-hour PM2.5: 18.33μg/m3,24-hour PM2.5: 22.1μg/m3.
1-hour PM2.5 ranks #78 in China by ascending,total 367 cities.
1-hour PM10: 48.17μg/m3,24-hour PM10: 51.65μg/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 16215730.426210356Good
Site 25113520.323310057Good
Site 34115410.342410158Excellent
Site 47533990.433415864Good
Site 55723630.329511755Good
Site 64116410.439410761Excellent
Site 73418330.315210854Excellent
Site 84017400.5211010389Excellent
Site 93021220.31937852Excellent
Site 103515350.43836853Excellent
Site 114814480.34249445Excellent
Site 123120310.23326851Excellent

Beijing AQI Ranking

Beijing AQI ranks #103 in China(total 367),defeat 72% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-10-12 #1045617430.484448971Good
2015-10-11 #533810240.3132038074Excellent
2015-10-10 #17288200.271435955Excellent
2015-10-09 #513915390.3672737166Excellent
2015-10-08 #433711290.312336872Excellent
2015-10-07 #3623082571711.736718171130Severely Polluted
2015-10-06 #3623322813311.936798249199Severely Polluted
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.