Beijing Air Quality Index

Good(Class B)
(September 22nd,2017 ,02:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 47.25μg/m3,24-hour PM2.5: 57.62μg/m3.
1-hour PM2.5 ranks #311 in China by ascending,total 367 cities.
1-hour PM10: 86.83μg/m3,24-hour PM10: 116.02μg/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 16341750.74125836Good
Site 27353810.85453125Good
Site 3765310116145836Good
Site 481571120.7883117Good
Site 56030700.33525028Good
Site 681551120.76834647Good
Site 777561040.85664845Good
Site 85421580.37295104Good
Site 97857730.59297106Good
Site 105027500.33126077Excellent
Site 118149111110521413Good
Site 129268950.91105721Good

Beijing AQI Ranking

Beijing AQI ranks #268 in China(total 367),defeat 27% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-21 #093571170.951748190132Good
2017-09-20 #1875914560.42647311389Good
2017-09-19 #1165512470.4274439181Good
2017-09-18 #1557523720.559553170129Good
2017-09-17 #564311360.3713439785Excellent
2017-09-16 #322116881241.026594174149Lightly Polluted
2017-09-15 #2058160990.847614148115Good
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.