Beijing Air Quality Index

Moderately Polluted(Class D)
(March 24th,2018 ,11:00:00 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: 123.25μg/m3,24-hour PM2.5: 111.54μg/m3.
1-hour PM2.5 ranks #338 in China by ascending,total 367 cities.
1-hour PM10: 45.33μg/m3,24-hour PM10: 121.89μg/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 1266216-2.298337520Heavily Polluted
Site 2232182-2.181328925Heavily Polluted
Site 3193145-1.768247818Moderately Polluted
Site 4211161-1.5472611432Heavily Polluted
Site 5248198-2.185298823Heavily Polluted
Site 611587-165135113Lightly Polluted
Site 7192144-1.687267318Moderately Polluted
Site 83115310.41568454Excellent
Site 95841640.725117845Good
Site 10419410.31647627Excellent
Site 11168127-1.576248528Moderately Polluted
Site 12204154-1.898275419Heavily Polluted

Beijing AQI Ranking

Beijing AQI ranks #337 in China(total 367),defeat 8% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-23 #3251421081351.37487118364Lightly Polluted
2018-03-22 #322114861060.956658120101Lightly Polluted
2018-03-21 #2878059820.8495598673Good
2018-03-20 #484423430.4833449487Excellent
2018-03-19 #2789470510.7646410896Good
2018-03-18 #3321381051051.01855310388Lightly Polluted
2018-03-17 #2958461640.9396254040Good
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.