Chengdu Air Quality Index

Lightly Polluted(Class C)
(January 20th,2017 ,11:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Chengdu PM2.5

1-hour PM2.5: 113.75μg/m3,24-hour PM2.5: 102.9μg/m3.
1-hour PM2.5 ranks #339 in China by ascending,total 367 cities.
1-hour PM10: 174.63μg/m3,24-hour PM10: 156.77μg/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 11381051611.178181011Lightly Polluted
Site 214411018617715530Lightly Polluted
Site 31591212091.472151222Moderately Polluted
Site 41491141671.37521920Lightly Polluted
Site 51881411971.26015216Moderately Polluted
Site 6127961511.2736416Lightly Polluted
Site 712998162169181832Lightly Polluted
Site 81651251641.449171517Moderately Polluted

Chengdu AQI Ranking

Chengdu AQI ranks #337 in China(total 367),defeat 8% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-19 #230116881341.13357184634Lightly Polluted
2017-01-18 #245123931401.03658135135Lightly Polluted
2017-01-17 #274130991481.46868153019Lightly Polluted
2017-01-16 #279122921291.152174339Lightly Polluted
2017-01-15 #3471831372041.40178253425Moderately Polluted
2017-01-14 #316118891371.27786184437Lightly Polluted
2017-01-13 #2007653830.942602110989Good
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.