Beijing Air Quality Index

Excellent(Class A)
(January 24th,2018 ,04:00:00 AM(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: 4.64μg/m3,24-hour PM2.5: 9.87μg/m3.
1-hour PM2.5 ranks #3 in China by ascending,total 367 cities.
1-hour PM10: 17.36μg/m3,24-hour PM10: 29.55μg/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 1---------
Site 2173110.31645448Excellent
Site 3164130.21135052Excellent
Site 42510250.32464434Excellent
Site 5183140.31625524Excellent
Site 6215190.21736565Excellent
Site 7173140.31855454Excellent
Site 8215180.31526660Excellent
Site 9123120.322--Excellent
Site 1025420-2148054Excellent
Site 11226120.3727068Excellent
Site 12335330.63035739Excellent

Beijing AQI Ranking

Beijing AQI ranks #9 in China(total 367),defeat 98% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-23 #6349300.4521647067Excellent
2018-01-22 #514922490.6672757269Excellent
2018-01-21 #926337761.31449213633Good
2018-01-20 #886531740.88351103432Good
2018-01-19 #159103771161.5177145943Lightly Polluted
2018-01-18 #13998621031.24978123325Good
2018-01-17 #7876421021.0655198067Good
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.