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Primary air pollutant in the Placentia area:
PM10 - 80 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
PM2.5 - 53 Moderate
OZONE - 40 Good
Primary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: OZONE - 44 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 14 Good
Secondary Pollutant: PM10 - 39 Good
Primary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: OZONE - 50 Good
Secondary Pollutant: NO2 - 19 Good
Secondary Pollutant: PM10 - 31 Good
Secondary Pollutant: CO - 3 Good