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Air Quality Forecast for Portland, Maine - The Weather Channel | weather.com
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Today's Air Quality-

33
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

33
PM2.5 (Particulate matter less than 2.5 microns)

Good

5.44 µg/m3
1
CO (Carbon Monoxide)

Good

200 µg/m3
3
NO2 (Nitrogen Dioxide)

Good

7.18 µg/m3
27
O3 (Ozone)

Good

60.98 µg/m3
7
PM10 (Particulate matter less than 10 microns)

Good

7.6 µg/m3
1
SO2 (Sulfur Dioxide)

Good

1.6 µg/m3
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