Beijing Air Quality Index

Moderately Polluted(Class D)
(December 18th,2014 ,02:00:00 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: 118μg/m3,24-hour PM2.5: 106.46μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 161.82μg/m3,24-hour PM10: 160.62μg/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)
11 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 11851391803.59799138Moderately Polluted
Site 21401071603.275791810Lightly Polluted
Site 316912817338883157Moderately Polluted
Site 41471121503.7959163Lightly Polluted
Site 51581201703.396961512Moderately Polluted
Site 61581201443.694881914Moderately Polluted
Site 71831381693.48290148Moderately Polluted
Site 81371041722.67985124Lightly Polluted
Site 91491141563.384941612Lightly Polluted
Site 101691281693.8918932Moderately Polluted
Site 11117881372.876722014Lightly 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
2014-12-16 #5337310.341576765Excellent
2014-12-15 #3981591111.36941256860Good
2014-12-14 #109113851252.06774497Lightly Polluted
2014-12-13 #296745831.16251255441Good
2014-12-12 #44312420.4562396158Excellent
2014-12-11 #155220530.5732166359Good
2014-12-10 #1671531172052.29958246863Moderately 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.