Beijing Air Quality Index

Excellent(Class A)
(August 31st,2015 ,06:00:00 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: 21.42μg/m3,24-hour PM2.5: 27.48μg/m3.
1-hour PM2.5 ranks #144 in China by ascending,total 367 cities.
1-hour PM10: 25.33μg/m3,24-hour PM10: 31.12μg/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 14833340.83726663Excellent
Site 24229-0.84926272Excellent
Site 33018300.83927679Excellent
Site 43021260.72429277Excellent
Site 53322330.83726064Excellent
Site 63625-1.128210587Excellent
Site 73323-0.84127973Excellent
Site 83414160.54510794Excellent
Site 92920270.5326341Excellent
Site 102516160.31827880Excellent
Site 112112150.72626563Excellent
Site 123524310.74223653Excellent

Beijing AQI Ranking

Beijing AQI ranks #55 in China(total 367),defeat 85% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-08-30 #1556227350.939243105114Good
2015-08-29 #34411728480.617203206178Lightly Polluted
2015-08-28 #1736816370.464243132121Good
2015-08-27 #1185711250.447242127108Good
2015-08-26 #1276011250.442232119112Good
2015-08-25 #794914260.45622210598Excellent
2015-08-24 #1315512270.458202117106Good
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.