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Primary air pollutant in the West Covina area:
OZONE - 48 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 37 Good
PM10 - 24 Good
Primary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: PM10 - 34 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: OZONE - 44 Good
Secondary Pollutant: NO2 - 23 Good
Primary Pollutant: OZONE - 58 Moderate
Secondary Pollutant: PM10 - 39 Good
Secondary Pollutant: CO - 6 Good
Secondary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: NO2 - 28 Good