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Primary air pollutant in the West Covina area:
OZONE - 31 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 22 Good
PM10 - 8 Good
Primary Pollutant: OZONE - 37 Good
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: PM10 - 11 Good
Secondary Pollutant: CO - 2 Good
Secondary Pollutant: NO2 - 16 Good
Primary Pollutant: OZONE - 38 Good
Secondary Pollutant: PM2.5 - 17 Good
Secondary Pollutant: PM10 - 9 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 13 Good