Beijing Air Quality Index

Moderately Polluted(Class D)
(August 23rd,2014 ,08:00:00 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: 123.67μg/m3,24-hour PM2.5: 105.45μg/m3.
1-hour PM2.5 ranks #127 in China by ascending,total 190 cities.
1-hour PM10: 160.5μg/m3,24-hour PM10: 143.62μg/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)
12 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 11981481751.4332160223Moderately Polluted
Site 22051551731.43311174213Heavily Polluted
Site 31621231471.4428176232Moderately Polluted
Site 4199149-1.4463171226Moderately Polluted
Site 51731311601.3262102217Moderately Polluted
Site 61631242221583145214Moderately Polluted
Site 71921441551.4385191225Moderately Polluted
Site 810276840.8192154214Lightly Polluted
Site 912897-1262178228Lightly Polluted
Site 1011083890.8322171222Lightly Polluted
Site 111951461981.36111130185Moderately Polluted
Site 121421082021.2534111216Lightly Polluted

Beijing AQI Ranking

Beijing AQI ranks #183 in China(total 190),defeat -61% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2014-08-22 #978555950.82461493141Good
2014-08-21 #1811631221711.12499280227Moderately Polluted
2014-08-20 #1851671051471.0774114257232Moderately Polluted
2014-08-19 #189151861220.957426233215Moderately Polluted
2014-08-18 #18913758880.83386220201Lightly Polluted
2014-08-17 #18912550830.76315202187Lightly Polluted
2014-08-16 #186158601030.913527251223Moderately 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.