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Primary air pollutant in the Calimesa area:
OZONE - 33 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 37 Good
Secondary Pollutant: PM2.5 - 28 Good
Secondary Pollutant: PM10 - 29 Good
Secondary Pollutant: CO - 6 Good
Secondary Pollutant: NO2 - 18 Good
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 11 Good
Secondary Pollutant: PM10 - 11 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 20 Good