Chengdu Air Quality Index

Good(Class B)
(March 27th,2017 ,07:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 24.88μg/m3,24-hour PM2.5: 35.95μg/m3.
1-hour PM2.5 ranks #67 in China by ascending,total 367 cities.
1-hour PM10: 43.75μg/m3,24-hour PM10: 63.67μg/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 13920270.53710122137Excellent
Site 25131520.6266111118Good
Site 34026400.5315106117Excellent
Site 43016230.7341295109Excellent
Site 54719471.236696114Excellent
Site 63719370.627108798Excellent
Site 77148910.4229161141Good
Site 83420330.7259106105Excellent

Chengdu AQI Ranking

Chengdu AQI ranks #126 in China(total 367),defeat 66% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-03-26 #1456332610.7335011124112Good
2017-03-25 #905323560.49535810087Good
2017-03-24 #1155522500.66944118777Good
2017-03-23 #1686041690.93944115142Good
2017-03-22 #1395633580.9414492822Good
2017-03-21 #26085621031.01663186253Good
2017-03-20 #2017150790.9715113146124Good
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.