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Primary air pollutant in the Brea area:
OZONE - 61 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Primary Pollutant: OZONE - 90 Moderate
Secondary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: PM10 - 44 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 19 Good
Primary Pollutant: OZONE - 61 Moderate
Secondary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: PM10 - 37 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 22 Good