Chengdu Air Quality Index

Moderately Polluted(Class D)
(December 4th,2016 ,12:00:00 AM(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.

Chengdu PM2.5

1-hour PM2.5: 148.75μg/m3,24-hour PM2.5: 128.06μg/m3.
1-hour PM2.5 ranks #325 in China by ascending,total 367 cities.
1-hour PM10: 265.63μg/m3,24-hour PM10: 224.33μg/m3.

All Air Monitoring Sites Of Chengdu 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)
8 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 11801353101.63428910Moderately Polluted
Site 22371872931.8781246Heavily Polluted
Site 32512012621.88817711Heavily Polluted
Site 41901432762.2601139Moderately Polluted
Site 52502003071.7771529Heavily Polluted
Site 62221723351.757934Heavily Polluted
Site 75938680.735253540Good
Site 816211427425012412Moderately Polluted

Chengdu AQI Ranking

Chengdu AQI ranks #325 in China(total 367),defeat 11% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-12-02 #3231941452751.33764192517Moderately Polluted
2016-12-01 #2941371042051.10569233428Lightly Polluted
2016-11-30 #21493681351.00464179868Good
2016-11-29 #19589631281.02762189976Good
2016-11-28 #3181331012161.63184271914Lightly Polluted
2016-11-27 #238106751621.32370236547Lightly Polluted
2016-11-26 #18782541141.08952178062Good
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.