Beijing Air Quality Index

Heavily Polluted(Class E)
(November 21st,2017 ,05:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Exercise tolerance is reduced in people with heart and lung conditions;healthy people may exhibit symptoms.
Suggestion:People with heart or lung disease, older adults, and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 159.25μg/m3,24-hour PM2.5: 134.59μg/m3.
1-hour PM2.5 ranks #363 in China by ascending,total 367 cities.
1-hour PM10: 209.75μg/m3,24-hour PM10: 164.56μg/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 12642142482.717015210Heavily Polluted
Site 22612112872.71641626Heavily Polluted
Site 32471972572.717216711Heavily Polluted
Site 42251752012.11571419Heavily Polluted
Site 52572072542.6156826Heavily Polluted
Site 62271772062.71571729Heavily Polluted
Site 72351852782.616117-7Heavily Polluted
Site 86822850.31318449Good
Site 92341841991.8931218Heavily Polluted
Site 1079171080.631-5930Good
Site 112271772332.516216512Heavily Polluted
Site 121931451612.114923612Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #362 in China(total 367),defeat 1% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-20 #3341351021291.81184114027Lightly Polluted
2017-11-19 #341116871161.2987192417Lightly Polluted
2017-11-18 #2285639600.6053477059Good
2017-11-17 #1195422570.6143046764Good
2017-11-16 #2429057861.31772102521Good
2017-11-15 #744516380.5163636758Excellent
2017-11-14 #213311300.4592636562Excellent
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.