Chengdu Air Quality Index

Good(Class B)
(July 23rd,2018 ,07:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5,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: 46μg/m3,24-hour PM2.5: 42.69μg/m3.
1-hour PM2.5 ranks #318 in China by ascending,total 367 cities.
1-hour PM10: 76.75μg/m3,24-hour PM10: 74.04μg/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 18260960.8----Good
Site 293511361.5798510Good
Site 36446721.2445715Good
Site 45942651.4501449Good
Site 59067871.4759210Good
Site 62416230.114197577Excellent
Site 75034501.1281247Excellent
Site 87252850.94072272Good

Chengdu AQI Ranking

Chengdu AQI ranks #297 in China(total 367),defeat 19% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-22 #2809342740.8594310186152Good
2018-07-21 #35515624440.7133110251221Moderately Polluted
2018-07-20 #32812335560.748309244185Lightly Polluted
2018-07-19 #31710336600.826358205151Lightly Polluted
2018-07-18 #2979235560.803359176150Good
2018-07-17 #2216820320.699329148122Good
2018-07-16 #2126117260.75348134112Good
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.