Chengdu Air Quality Index

21
Excellent(Class A)
(September 25th,2018 ,01:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Chengdu PM2.5

1-hour PM2.5: 4.67μg/m3,24-hour PM2.5: 14.53μg/m3.
1-hour PM2.5 ranks #4 in China by ascending,total 367 cities.
1-hour PM10: 6.67μg/m3,24-hour PM10: 22.09μg/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 1---------
Site 213790.51844040Excellent
Site 3---------
Site 4---------
Site 513580.61173939Excellent
Site 6---------
Site 7---------
Site 815230.9474545Excellent

Chengdu AQI Ranking

Chengdu AQI ranks #24 in China(total 367),defeat 93% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-23 #2176244610.8753685754Good
2018-09-22 #2706934600.746378147123Good
2018-09-21 #2857214330.662358157126Good
2018-09-20 #1945319440.9314285339Good
2018-09-19 #723621320.7742878567Excellent
2018-09-18 #1724526450.7933676956Excellent
2018-09-17 #3167519370.708388130129Good
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.