Chengdu Air Quality Index

Good(Class B)
(May 23rd,2017 ,05:00:00 PM(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: 34.25μg/m3,24-hour PM2.5: 20.51μg/m3.
1-hour PM2.5 ranks #316 in China by ascending,total 367 cities.
1-hour PM10: 55.88μg/m3,24-hour PM10: 35.59μg/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 13817290.650611970Excellent
Site 25229540.726713777Good
Site 36445770.76099954Good
Site 46345670.759411267Good
Site 58260950.9781211570Good
Site 64025400.4451211968Excellent
Site 728450.18148761Excellent
Site 86849800.749715186Good

Chengdu AQI Ranking

Chengdu AQI ranks #180 in China(total 367),defeat 51% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-21 #1105433570.72941911993Good
2017-05-20 #22095711160.7535713121100Good
2017-05-19 #289116661000.7035112230142Lightly Polluted
2017-05-18 #20010439610.591359202164Lightly Polluted
2017-05-17 #22110734630.7897114213161Lightly Polluted
2017-05-16 #2338927500.7086111161146Good
2017-05-15 #1636419370.541397137117Good
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.