Hai'an air quality index

Air Quality Index, Hai'an

117

Unhealthy for Sensitive Groups

Primary Pollutant：
PM2.5

All Pollutants

117

PM2.5 (Particulate matter less than 2.5 microns)
Unhealthy for Sensitive Groups
44.74 µg/m3

3

CO (Carbon Monoxide)
Good
3 µg/m3

4

NO2 (Nitrogen Dioxide)
Good
4 µg/m3

43

O3 (Ozone)
Good
43 µg/m3

53

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

20

SO2 (Sulphur Dioxide)
Good
20 µg/m3

69 weather
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