Gulou District air quality index

Air Quality Index, Gulou District

202

Very Unhealthy

Primary Pollutant：
PM2.5

All Pollutants

202

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

5

CO (Carbon Monoxide)
Good
5 µg/m3

23

NO2 (Nitrogen Dioxide)
Good
23 µg/m3

30

O3 (Ozone)
Good
30 µg/m3

107

PM10 (Particulate matter less than 10 microns)
Unhealthy for Sensitive Groups
107 µg/m3

37

SO2 (Sulphur Dioxide)
Good
37 µg/m3

69 weather
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