Hefei air quality index

Air Quality Index, Hefei

178

Unhealthy

Primary Pollutant：
PM2.5

All Pollutants

178

PM2.5 (Particulate matter less than 2.5 microns)
Unhealthy
122.72 µg/m3

3

CO (Carbon Monoxide)
Good
3 µg/m3

10

NO2 (Nitrogen Dioxide)
Good
10 µg/m3

39

O3 (Ozone)
Good
39 µg/m3

82

PM10 (Particulate matter less than 10 microns)
Moderate
82 µg/m3

21

SO2 (Sulphur Dioxide)
Good
21 µg/m3

69 weather
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