Tianjin air quality index

Air Quality Index, Tianjin

231

Very Unhealthy

Primary Pollutant：
PM2.5

All Pollutants

231

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

2

CO (Carbon Monoxide)
Good
2 µg/m3

17

NO2 (Nitrogen Dioxide)
Good
17 µg/m3

20

O3 (Ozone)
Good
20 µg/m3

117

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

19

SO2 (Sulphur Dioxide)
Good
19 µg/m3

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