Beijing Air Quality Index

Moderately Polluted(Class D)
(March 31st,2015 ,12:00:00 PM(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: 146μg/m3,24-hour PM2.5: 165.85μg/m3.
1-hour PM2.5 ranks #346 in China by ascending,total 367 cities.
1-hour PM10: 196μg/m3,24-hour PM10: 263.45μg/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 1200150-3.583141431Moderately Polluted
Site 2206156-3.565201930Heavily Polluted
Site 3208158-3.580181330Heavily Polluted
Site 4189142-366132336Moderately Polluted
Site 5195146-3.47281126Moderately Polluted
Site 6192144-3.478131829Moderately Polluted
Site 7189142-3.265142936Moderately Polluted
Site 82431931963.371131632Heavily Polluted
Site 99974-0.919129153Good
Site 10223173-3.571111731Heavily Polluted
Site 11183138-2.7-13817Moderately Polluted
Site 12180136-6.764191625Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #340 in China(total 367),defeat 7% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-03-30 #3592051543271.4186029158127Heavily Polluted
2015-03-29 #304160712691.131722012774Moderately Polluted
2015-03-28 #356207733540.52832995100Heavily Polluted
2015-03-27 #334126961350.9665023127125Lightly Polluted
2015-03-26 #3431371041561.025623155139Lightly Polluted
2015-03-25 #3581611221591.8227841128107Moderately Polluted
2015-03-24 #321108811271.869703110188Lightly 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.