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Primary air pollutant in the Calimesa area:
OZONE - 7 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 87 Moderate
Secondary Pollutant: PM2.5 - 39 Good
Secondary Pollutant: PM10 - 38 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 27 Good