Beijing Air Quality Index

Excellent(Class A)
(October 26th,2014 ,12:00:00 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: 6.92μg/m3,24-hour PM2.5: 217.16μg/m3.
1-hour PM2.5 ranks #3 in China by ascending,total 190 cities.
1-hour PM10: 15.38μg/m3,24-hour PM10: 244.29μg/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 153------Excellent
Site 220350.31726245Excellent
Site 32412240.22127659Excellent
Site 45513590.32136864Good
Site 519350.33026044Excellent
Site 61811150.31725737Excellent
Site 71812-0.22025543Excellent
Site 826350.2528275Excellent
Site 9246-0.2927666Excellent
Site 1014350.3724239Excellent
Site 11169-0.33224227Excellent
Site 1222550.1626958Excellent

Beijing AQI Ranking

Beijing AQI ranks #2 in China(total 190),defeat 98% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-10-25 #1883503003342.43789710380Severely Polluted
2014-10-24 #1842712202722.05489129970Heavily Polluted
2014-10-23 #1651631241791.62286133824Moderately Polluted
2014-10-22 #119100741411.28676111310Good
2014-10-21 #837736891.27361194030Good
2014-10-20 #1862481982321.587557256Heavily Polluted
2014-10-19 #1892892383122.33114128965Heavily 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.