Chengdu Air Quality Index

Good(Class B)
(May 25th,2019 ,09:00:00 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: 49.71μg/m3,24-hour PM2.5: 43.99μg/m3.
1-hour PM2.5 ranks #292 in China by ascending,total 367 cities.
1-hour PM10: 75.83μg/m3,24-hour PM10: 70.13μg/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 18563831.256133232Good
Site 26641821.34535243Good
Site 37756750.63847138Good
Site 45740571.23566636Good
Site 5---------
Site 66446530.5222478107Good
Site 7846210514195815Good
Site 8-40-12837475-

Chengdu AQI Ranking

Chengdu AQI ranks #211 in China(total 367),defeat 43% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-05-24 #1738746790.833458162144Good
2019-05-23 #25612244800.799487207184Lightly Polluted
2019-05-22 #1848538740.677398157142Good
2019-05-21 #30210527580.556355189166Lightly Polluted
2019-05-20 #1365820490.545275117109Good
2019-05-19 #1445527600.6332759789Good
2019-05-18 #2367045690.824396144124Good
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.