Beijing Air Quality Index

Moderately Polluted(Class D)
(July 26th,2014 ,09:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 68μg/m3,24-hour PM2.5: 93.64μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 126.5μg/m3,24-hour PM10: 135.58μg/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 187571240.9358174231Good
Site 29369-0.9368145201Good
Site 383601150.93810167242Good
Site 4101731520.9429159237Lightly Polluted
Site 592681180.9339162231Good
Site 68966-0.6309166217Good
Site 780591090.9328162218Good
Site 81137713212313225300Lightly Polluted
Site 9115871611.25516171294Lightly Polluted
Site 10100-1291.13612200281Good
Site 1190641300.75016142205Good
Site 129268950.83112176249Good

Beijing AQI Ranking

Beijing AQI ranks #185 in China(total 190),defeat -62% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-07-25 #17813365971.204438205196Lightly Polluted
2014-07-24 #14885621141.007687135111Good
2014-07-23 #1407628780.72161611584Good
2014-07-22 #405113370.4814085871Good
2014-07-21 #977125480.464245117125Good
2014-07-20 #17111967930.721274197181Lightly Polluted
2014-07-19 #150108801070.741333179168Lightly 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.