Chengdu Air Quality Index

Good(Class B)
(June 29th,2017 ,12:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Chengdu PM2.5

1-hour PM2.5: 57.25μg/m3,24-hour PM2.5: 39.84μg/m3.
1-hour PM2.5 ranks #320 in China by ascending,total 367 cities.
1-hour PM10: 106.75μg/m3,24-hour PM10: 70.02μg/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 17958770.91169561Good
Site 290631291.31298258Good
Site 39974850.752105077Good
Site 499531481.16653875Good
Site 590491290.967134972Good
Site 683401151.17481036Good
Site 74833450.3132373106Excellent
Site 8117881261.16871236Lightly Polluted

Chengdu AQI Ranking

Chengdu AQI ranks #256 in China(total 367),defeat 30% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-27 #2179221370.5674011168150Good
2017-06-26 #1917816280.4983013143133Good
2017-06-25 #1876714260.43319141120Good
2017-06-24 #1826324410.7225095853Good
2017-06-23 #356121921581.175801512491Lightly Polluted
2017-06-22 #343101761281.0016917143118Lightly Polluted
2017-06-21 #327122711070.9755913202184Lightly 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.