Chengdu Air Quality Index

Good(Class B)
(March 25th,2018 ,10:00:00 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: 36.75μg/m3,24-hour PM2.5: 52.77μg/m3.
1-hour PM2.5 ranks #81 in China by ascending,total 367 cities.
1-hour PM10: 56.5μg/m3,24-hour PM10: 77.34μg/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 15337560.762134929Good
Site 25639610.851176133Good
Site 35437580.648156351Good
Site 45539520.845136043Good
Site 55732640.63487146Good
Site 63717370.838363561Excellent
Site 74632430.824178340Excellent
Site 88361811.24595315Good

Chengdu AQI Ranking

Chengdu AQI ranks #47 in China(total 367),defeat 87% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-24 #2159168991.01164117651Good
2018-03-23 #259106791271.122771510878Lightly Polluted
2018-03-22 #19083611011.1436511163138Good
2018-03-21 #32695701121.01862109376Good
2018-03-20 #31191641310.95959119582Good
2018-03-19 #23676451020.832418130119Good
2018-03-18 #2197335960.86439910392Good
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.