Chengdu Air Quality Index

Good(Class B)
(January 18th,2019 ,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: 67.38μg/m3,24-hour PM2.5: 85.38μg/m3.
1-hour PM2.5 ranks #191 in China by ascending,total 367 cities.
1-hour PM10: 94.63μg/m3,24-hour PM10: 133.58μg/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 18865820.84553214Good
Site 2114861030.84862610Lightly Polluted
Site 3105791160.71722716Lightly Polluted
Site 4105791140.84352915Lightly Polluted
Site 5108811030.838102910Lightly Polluted
Site 6285280.5746045Excellent
Site 788651080.94282613Good
Site 8105791031515145Lightly Polluted

Chengdu AQI Ranking

Chengdu AQI ranks #184 in China(total 367),defeat 50% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-17 #317115871380.8735883226Lightly Polluted
2019-01-16 #27082601020.6634887863Good
2019-01-15 #1446345760.7824577663Good
2019-01-14 #2191311001451.5156694333Lightly Polluted
2019-01-13 #16395711041.3724788160Good
2019-01-12 #208102761081.3885973424Lightly Polluted
2019-01-11 #1948966901.3074968968Good
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.