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Primary air pollutant in the Placentia area:
OZONE - 42 Good
Enjoy your outdoor activities.
Primary Pollutant: PM10 - 52 Moderate
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 46 Good
Secondary Pollutant: CO - 6 Good
Secondary Pollutant: NO2 - 30 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 31 Good
Secondary Pollutant: OZONE - 44 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 20 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 16 Good
Secondary Pollutant: OZONE - 40 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 17 Good