Beijing Air Quality Index

Heavily Polluted(Class E)
(November 1st,2014 ,01:00:00 AM(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: 165.5μg/m3,24-hour PM2.5: 153.22μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 203.43μg/m3,24-hour PM10: 184μg/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 12762262272.492223Heavily Polluted
Site 22682182482.898735Heavily Polluted
Site 3229179-2.7112523Heavily Polluted
Site 42151652052.584522Heavily Polluted
Site 5261211-2.462424Heavily Polluted
Site 62331832203.21231122Heavily Polluted
Site 7208158-3.2106622Heavily Polluted
Site 86043-0.720133010Good
Site 92051551673.268322Heavily Polluted
Site 10180136-2.161863Moderately Polluted
Site 112121621903.11021122Heavily Polluted
Site 122001501673.166223Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #165 in China(total 190),defeat -45% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-10-30 #1742071571951.685100173525Heavily Polluted
2014-10-29 #1641371051621.29789125541Lightly Polluted
2014-10-28 #11888621110.99670125234Good
2014-10-27 #516728700.753105540Good
2014-10-26 #467756680.6424036963Good
2014-10-25 #1883503003342.43789710380Severely Polluted
2014-10-24 #1842712202722.05489129970Heavily 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.