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

65
Moderate

Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Primary Pollutant:

PM2.5 (Particulate matter less than 2.5 microns)

All Pollutants

65
PM2.5 (Particulate matter less than 2.5 microns)

Moderate

19.97 µg/m3
1
CO (Carbon Monoxide)

Good

140 µg/m3
1
NO2 (Nitrogen Dioxide)

Good

1 µg/m3
31
O3 (Ozone)

Good

65.16 µg/m3
26
PM10 (Particulate matter less than 10 microns)

Good

29.44 µg/m3
1
SO2 (Sulfur Dioxide)

Good

3.37 µg/m3
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