Beijing Air Quality Index

Lightly Polluted(Class C)
(March 5th,2015 ,07:00:00 AM(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: 100.5μg/m3,24-hour PM2.5: 51.6μg/m3.
1-hour PM2.5 ranks #357 in China by ascending,total 367 cities.
1-hour PM10: 99.3μg/m3,24-hour PM10: 62.05μg/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 1239189-37334715Heavily Polluted
Site 2176133-47643714Moderately Polluted
Site 31731311342.58236922Moderately Polluted
Site 47454662531869Good
Site 51761331372.4546412Moderately Polluted
Site 61601221362.783481925Moderately Polluted
Site 7128971082.8844629Lightly Polluted
Site 87857611.226162844Good
Site 973536411922431Good
Site 108260881.66134835Good
Site 111321001162.8854023Lightly Polluted
Site 1210377831.854525Lightly Polluted

Beijing AQI Ranking

Beijing AQI ranks #355 in China(total 367),defeat 3% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-03-04 #694628460.67734148273Excellent
2015-03-03 #62518510.2891138277Good
2015-03-02 #1527051801.28842168475Good
2015-03-01 #2016846860.93742138576Good
2015-02-28 #3581641241531.2684085132Moderately Polluted
2015-02-27 #924125400.68930145756Excellent
2015-02-26 #453913240.3931978278Excellent
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.