Beijing Air Quality Index

Heavily Polluted(Class E)
(October 1st,2016 ,03:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Exercise tolerance is reduced in people with heart and lung conditions;healthy people may exhibit symptoms.
Suggestion:People with heart or lung disease, older adults, and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 165.42μg/m3,24-hour PM2.5: 144.88μg/m3.
1-hour PM2.5 ranks #363 in China by ascending,total 367 cities.
1-hour PM10: 184.8μg/m3,24-hour PM10: 176.21μg/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 1186140-1.350214476Moderately Polluted
Site 2196147-1.2453514971Moderately Polluted
Site 3202152-1.1393216076Heavily Polluted
Site 42341841971.4432715191Heavily Polluted
Site 5182137-1.1423614368Moderately Polluted
Site 6203153-1.1572316888Heavily Polluted
Site 72011511671.3474317985Heavily Polluted
Site 82221721891.3396234140Heavily Polluted
Site 9248198-1.43828208104Heavily Polluted
Site 102301802071.49016174102Heavily Polluted
Site 111951461641.2552616575Moderately Polluted
Site 12275225-0.14-22Heavily Polluted

Beijing AQI Ranking

Beijing AQI ranks #361 in China(total 367),defeat 2% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-09-30 #3491321001360.917717181145Lightly Polluted
2016-09-29 #2977353850.65258511794Good
2016-09-28 #1374314330.3843436959Excellent
2016-09-27 #233322270.5562226560Excellent
2016-09-26 #2298058831.1744328367Good
2016-09-25 #3612091581741.48647411491Heavily Polluted
2016-09-24 #3511511151721.079504218174Moderately 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.