Chengdu Air Quality Index

Good(Class B)
(November 21st,2018 ,11:00:00 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: 43.13μg/m3,24-hour PM2.5: 68.9μg/m3.
1-hour PM2.5 ranks #244 in China by ascending,total 367 cities.
1-hour PM10: 68.38μg/m3,24-hour PM10: 104.24μg/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 15236520.757-248Good
Site 26446760.76111126Good
Site 38260860.758661Good
Site 47353800.9581262Good
Site 55738640.4601273Good
Site 62113161.31236751Excellent
Site 75624620.944869Good
Site 8100751111.352742Good

Chengdu AQI Ranking

Chengdu AQI ranks #213 in China(total 367),defeat 42% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-20 #2547857890.8175372817Good
2018-11-19 #1945936580.6944674335Good
2018-11-18 #1584722340.5973767459Excellent
2018-11-17 #713214210.5182554238Excellent
2018-11-16 #65328150.6022553733Excellent
2018-11-15 #1134630460.7363462317Excellent
2018-11-14 #2498361860.8444581815Good
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.