Beijing Air Quality Index

Heavily Polluted(Class E)
(April 24th,2014 ,02:00:00 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: 150.92μg/m3,24-hour PM2.5: 110.8μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 170.82μg/m3,24-hour PM10: 131.44μg/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 11921441681.2223913378Moderately Polluted
Site 21891421601.1323612677Moderately Polluted
Site 31991491611323913475Moderately Polluted
Site 42001501781283310865Moderately Polluted
Site 52081581621234013881Heavily Polluted
Site 62111612000.9413611066Heavily Polluted
Site 72001501721.1373613079Moderately Polluted
Site 8213163-1.1462010880Heavily Polluted
Site 92171671821.155379660Heavily Polluted
Site 101831381581.161249065Moderately Polluted
Site 111951461691.145348244Moderately Polluted
Site 121901431691333113268Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #180 in China(total 190),defeat -58% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-04-23 #1781501151450.8934121170145Lightly Polluted
2014-04-22 #12087591020.5875310164144Good
2014-04-21 #887049820.568568120108Good
2014-04-20 #1278260840.63354811799Good
2014-04-19 #1528562840.77665159178Good
2014-04-18 #1771801361401.496517140115Moderately Polluted
2014-04-17 #151124941301.4067019118102Lightly 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.