Air Quality Forecast for Ryogoku, Sumida-ku, Tokyo Prefecture, Japan - The Weather Channel | weather.com
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Today's Air Quality-

44
Good

Air quality is considered satisfactory, and air pollution poses little or no risk.

Primary Pollutant:

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

44
PM2.5 (Particulate matter less than 2.5 microns)

Good

7.98 µg/m3
2
CO (Carbon Monoxide)

Good

320 µg/m3
18
NO2 (Nitrogen Dioxide)

Good

40.33 µg/m3
24
O3 (Ozone)

Good

51.26 µg/m3
6
PM10 (Particulate matter less than 10 microns)

Good

7.27 µg/m3
9
SO2 (Sulfur Dioxide)

Good

18.16 µg/m3
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