Beijing Air Quality Index

Lightly Polluted(Class C)
(March 23rd,2017 ,11:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 107.08μg/m3,24-hour PM2.5: 126.43μg/m3.
1-hour PM2.5 ranks #346 in China by ascending,total 367 cities.
1-hour PM10: 0μg/m3,24-hour PM10: 162.05μg/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 1142108-1.55233335Lightly Polluted
Site 2147112-1.65882534Lightly Polluted
Site 3148113-1.64982941Lightly Polluted
Site 4143109-1.36832616Lightly Polluted
Site 5149114-1.66152550Lightly Polluted
Site 6139106-1.67853133Lightly Polluted
Site 7140107-1.24643928Lightly Polluted
Site 812494-1.22995366Lightly Polluted
Site 9132100-1.74023644Lightly Polluted
Site 10147112-1.7833723Lightly Polluted
Site 11134102-1.33545451Lightly Polluted
Site 12142108-1.872141950Lightly Polluted

Beijing AQI Ranking

Beijing AQI ranks #341 in China(total 367),defeat 7% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-03-22 #3571781341721.22778189273Moderately Polluted
2017-03-21 #325116881220.78247712097Lightly Polluted
2017-03-20 #3621841392061.31972187759Moderately Polluted
2017-03-19 #3632712202491.9947932173146Heavily Polluted
2017-03-18 #3571901431761.1486615148133Moderately Polluted
2017-03-17 #3541651251621.102701810176Moderately Polluted
2017-03-16 #3571471121541.3385249980Lightly 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.