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Air Quality Forecast for Portsmouth, New Hampshire 03801 - The Weather Channel | weather.com
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Today's Air Quality-

31
Good

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

Primary Pollutant:

O3 (Ozone)

All Pollutants

31
O3 (Ozone)

Good

77.49 µg/m3
1
CO (Carbon Monoxide)

Good

200 µg/m3
7
NO2 (Nitrogen Dioxide)

Good

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

Good

6.28 µg/m3
16
PM2.5 (Particulate matter less than 2.5 microns)

Good

3.24 µg/m3
1
SO2 (Sulfur Dioxide)

Good

2.35 µg/m3
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