Chengdu Air Quality Index

Good(Class B)
(November 18th,2017 ,05:00:00 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: 38.88μg/m3,24-hour PM2.5: 42.15μg/m3.
1-hour PM2.5 ranks #308 in China by ascending,total 367 cities.
1-hour PM10: 59.25μg/m3,24-hour PM10: 66.27μg/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 16042690.54195435Good
Site 25940680.718137650Good
Site 35942630.739126540Good
Site 45235540.843115540Good
Site 56244660.733145433Good
Site 65536590.531137161Good
Site 75942640.750124537Good
Site 84330310.71587550Excellent

Chengdu AQI Ranking

Chengdu AQI ranks #247 in China(total 367),defeat 33% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-17 #1395639590.95844102221Good
2017-11-16 #1686849700.86350113527Good
2017-11-15 #2729067950.81453103224Good
2017-11-14 #2307250800.77757128460Good
2017-11-13 #1366042690.81945119370Good
2017-11-12 #755234530.56839103232Good
2017-11-11 #2076527510.509521110487Good
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.