Beijing Air Quality Index

Excellent(Class A)
(August 21st,2018 ,11:00:00 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: 16.58μg/m3,24-hour PM2.5: 13.58μg/m3.
1-hour PM2.5 ranks #105 in China by ascending,total 367 cities.
1-hour PM10: 48.42μg/m3,24-hour PM10: 34.13μg/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 15318550.74117692Good
Site 25614610.5342109116Good
Site 35218540.645292106Good
Site 44622460.571395128Excellent
Site 54020400.641373105Excellent
Site 65419570.53928487Good
Site 75516590.540189106Good
Site 82110200.4826580Excellent
Site 92210220.41516686Excellent
Site 104418440.41536390Excellent
Site 115417570.635296107Good
Site 125817660.6651-60Good

Beijing AQI Ranking

Beijing AQI ranks #137 in China(total 367),defeat 63% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-08-20 #2938523430.706224166141Good
2018-08-19 #874221370.72328310682Excellent
2018-08-18 #2386414300.494245116116Good
2018-08-17 #36117533630.628313244240Moderately Polluted
2018-08-16 #3378914310.412225165146Good
2018-08-15 #1644913290.49223210096Excellent
2018-08-14 #1264423290.7419410688Excellent
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.