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Primary air pollutant in the Covina area:
PM2.5 - 50 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 44 Good
Primary Pollutant: OZONE - 115 Unhealthy for Sensitive Groups
Secondary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 28 Good
Secondary Pollutant: CO - 7 Good
Secondary Pollutant: NO2 - 28 Good
Primary Pollutant: OZONE - 77 Moderate
Secondary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 31 Good
Secondary Pollutant: CO - 7 Good
Secondary Pollutant: NO2 - 29 Good