Chengdu Air Quality Index

Good(Class B)
(January 17th,2018 ,04:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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: 66.63μg/m3,24-hour PM2.5: 67.25μg/m3.
1-hour PM2.5 ranks #165 in China by ascending,total 367 cities.
1-hour PM10: 98.5μg/m3,24-hour PM10: 94.6μg/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 1100751080.71028714Good
Site 294701230.7908911Good
Site 3100759415494962Good
Site 493691121.790912Good
Site 58966980.940112528Good
Site 6563662133848499Good
Site 7100751061.981922Good
Site 89067850.91545056Good

Chengdu AQI Ranking

Chengdu AQI ranks #148 in China(total 367),defeat 60% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-16 #182109811080.978521210082Lightly Polluted
2018-01-15 #3422552042831.70291202823Heavily Polluted
2018-01-14 #3382121612291.42792111188Heavily Polluted
2018-01-13 #3341851392071.34988218968Moderately Polluted
2018-01-12 #3371351031571.27680199876Lightly Polluted
2018-01-11 #3421371041611.511851612483Lightly Polluted
2018-01-10 #346122921431.313741411082Lightly Polluted
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.