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

140
Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Primary Pollutant:

O3 (Ozone)

All Pollutants

140
O3 (Ozone)

Unhealthy for Sensitive Groups

133.55 µg/m3
5
CO (Carbon Monoxide)

Good

352.22 µg/m3
10
NO2 (Nitrogen Dioxide)

Good

19.79 µg/m3
12
PM10 (Particulate matter less than 10 microns)

Good

11.99 µg/m3
65
PM2.5 (Particulate matter less than 2.5 microns)

Moderate

14.44 µg/m3
4
SO2 (Sulfur Dioxide)

Good

8.72 µg/m3
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