Chengdu Air Quality Index

Good(Class B)
(March 19th,2019 ,06:00:00 PM(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: 47.38μg/m3,24-hour PM2.5: 63.43μg/m3.
1-hour PM2.5 ranks #287 in China by ascending,total 367 cities.
1-hour PM10: 82μg/m3,24-hour PM10: 109.48μg/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 15434570.51659774Good
Site 26745840.927510251Good
Site 35631620.54037961Good
Site 46337760.63268975Good
Site 56741830.63328754Good
Site 69268980.632811389Good
Site 785631100.85896860Good
Site 88260861.14798057Good

Chengdu AQI Ranking

Chengdu AQI ranks #172 in China(total 367),defeat 53% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-18 #2497954940.9426367866Good
2019-03-17 #965740610.7344657565Good
2019-03-16 #895537580.6063957765Good
2019-03-15 #2396539710.70451106557Good
2019-03-14 #2276628550.6255376763Good
2019-03-13 #28482611030.78348117169Good
2019-03-12 #32596701260.9776138771Good
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.