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Primary air pollutant in the El Cajon area:
OZONE - 35 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 24 Good
PM10 - 10 Good
Primary Pollutant: OZONE - 49 Good
Secondary Pollutant: PM2.5 - 33 Good
Primary Pollutant: OZONE - 64 Moderate
Secondary Pollutant: PM2.5 - 44 Good