Beijing Air Quality Index

Moderately Polluted(Class D)
(May 28th,2015 ,06:00:00 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 more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 136.5μg/m3,24-hour PM2.5: 107.66μg/m3.
1-hour PM2.5 ranks #345 in China by ascending,total 367 cities.
1-hour PM10: 161.73μg/m3,24-hour PM10: 150.35μg/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 1105-1591.3531881118Lightly Polluted
Site 299-1481.3442492131Good
Site 31851391691.34528106142Moderately Polluted
Site 4180136198148266882Moderately Polluted
Site 51861401631.3462198146Moderately Polluted
Site 61761331511.25116101143Moderately Polluted
Site 71491141641.13420113132Lightly Polluted
Site 82111611651.31615119134Heavily Polluted
Site 91781341461.4271481128Moderately Polluted
Site 101881411561.3238100132Moderately Polluted
Site 111621231601.1422291129Moderately Polluted
Site 12192144-1.2581650107Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #343 in China(total 367),defeat 7% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-05-27 #329161951440.9053312230225Moderately Polluted
2015-05-26 #350192871480.9073819294256Moderately Polluted
2015-05-25 #3632041021671.1584725311282Heavily Polluted
2015-05-24 #3571791151641.1975517267244Moderately Polluted
2015-05-23 #360180971410.9945416266244Moderately Polluted
2015-05-22 #32211655940.784412225177Lightly Polluted
2015-05-21 #2899234860.52437169150Good
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.