Beijing Air Quality Index

Excellent(Class A)
(October 27th,2016 ,07:00:00 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: 31.64μg/m3,24-hour PM2.5: 31.31μg/m3.
1-hour PM2.5 ranks #219 in China by ascending,total 367 cities.
1-hour PM10: 38.14μg/m3,24-hour PM10: 68.5μg/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 14229341.155222Excellent
Site 229--1.158222Excellent
Site 34229360.944222Excellent
Site 44934431.258223Excellent
Site 54632351.261322Excellent
Site 65236-154222Good
Site 74833351.257322Excellent
Site 85841-1312512Good
Site 93222-0.72522330Excellent
Site 105740480.635223Good
Site 114531361.261222Excellent
Site 123021-0.73921113Excellent

Beijing AQI Ranking

Beijing AQI ranks #155 in China(total 367),defeat 58% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-10-26 #2656841840.7534835944Good
2016-10-25 #353130991331.436723129Lightly Polluted
2016-10-24 #33686631091.11455365Good
2016-10-23 #2295228510.6024134536Good
2016-10-22 #753514230.5352824137Excellent
2016-10-21 #2526043520.8093823430Good
2016-10-20 #33611687981.3795063824Lightly 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.