Beijing Air Quality Index

Excellent(Class A)
(August 17th,2017 ,06:00:00 AM(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: 24.5μg/m3,24-hour PM2.5: 44.92μg/m3.
1-hour PM2.5 ranks #209 in China by ascending,total 367 cities.
1-hour PM10: 42μg/m3,24-hour PM10: 66.12μg/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 14531-1.3452610Excellent
Site 24934461632220Excellent
Site 35035-1.1542815Excellent
Site 43216320.52523524Excellent
Site 53323-1.135224Excellent
Site 65130520.7502212Good
Site 74934-0.7412412Excellent
Site 81611-0.4622217Excellent
Site 92215-0.4222120Excellent
Site 102316-0.5222147Excellent
Site 113323300.5-21820Excellent
Site 125026500.6312114Excellent

Beijing AQI Ranking

Beijing AQI ranks #160 in China(total 367),defeat 56% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-08-16 #2468056780.864372184135Good
2017-08-15 #32010554760.908314183165Lightly Polluted
2017-08-14 #3089027430.748262172148Good
2017-08-13 #1865639510.85835212695Good
2017-08-12 #1264831390.7443629595Excellent
2017-08-11 #319117881141.127372165136Lightly Polluted
2017-08-10 #31112564890.756312200187Lightly 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.