Air Quality Forecast for Howard Park, San Carlos, California - The Weather Channel | weather.com
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Today's Air Quality-

21
Good

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

Primary Pollutant:

O3 (Ozone)

All Pollutants

21
O3 (Ozone)

Good

42.05 µg/m3
3
CO (Carbon Monoxide)

Good

345.56 µg/m3
4
NO2 (Nitrogen Dioxide)

Good

8.77 µg/m3
4
PM10 (Particulate matter less than 10 microns)

Good

4.2 µg/m3
19
PM2.5 (Particulate matter less than 2.5 microns)

Good

3.23 µg/m3
1
SO2 (Sulfur Dioxide)

Good

1.49 µg/m3
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