Beijing Air Quality Index

Moderately Polluted(Class D)
(July 30th,2014 ,03:00:00 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: 140.58μg/m3,24-hour PM2.5: 97.08μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 0μg/m3,24-hour PM10: 136.12μg/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 1163124-1.936413581Moderately Polluted
Site 2205155-1.926611675Heavily Polluted
Site 3159121-1.819614692Moderately Polluted
Site 4204154-1.6302156105Heavily Polluted
Site 5166126-1.833612673Moderately Polluted
Site 6204154-1.528211877Heavily Polluted
Site 7204154-1.938511975Heavily Polluted
Site 8159121-1.2142186123Moderately Polluted
Site 9195146-1.5143165134Moderately Polluted
Site 10169128-1.2182180103Moderately Polluted
Site 11220170-1.429711270Heavily Polluted
Site 12178134-1.7114153121Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #188 in China(total 190),defeat -65% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-07-29 #1851611221590.844285202191Moderately Polluted
2014-07-28 #1831631241580.949349240212Moderately Polluted
2014-07-27 #1891981071540.9673517283263Moderately Polluted
2014-07-26 #187193951351.1634110279257Moderately Polluted
2014-07-25 #17813365971.204438205196Lightly Polluted
2014-07-24 #14885621141.007687135111Good
2014-07-23 #1407628780.72161611584Good
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.