Tongzhou District air quality index

Air Quality Index, Tongzhou District

155

Unhealthy

Primary Pollutant：
PM2.5

All Pollutants

155

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

1

CO (Carbon Monoxide)
Good
1 µg/m3

8

NO2 (Nitrogen Dioxide)
Good
8 µg/m3

27

O3 (Ozone)
Good
27 µg/m3

55

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

3

SO2 (Sulphur Dioxide)
Good
3 µg/m3

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