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Primary air pollutant in the El Cajon area:
PM2.5 - 71 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
PM10 - 34 Good
OZONE - 22 Good
Primary Pollutant: PM2.5 - 68 Moderate
Secondary Pollutant: OZONE - 51 Moderate
Primary Pollutant: OZONE - 90 Moderate
Secondary Pollutant: PM2.5 - 64 Moderate
Primary Pollutant: OZONE - 97 Moderate
Secondary Pollutant: PM2.5 - 62 Moderate