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Primary air pollutant in the Calimesa area:
OZONE - 25 Good
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Primary Pollutant: OZONE - 122 Unhealthy for Sensitive Groups
Secondary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 33 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 25 Good
Primary Pollutant: OZONE - 140 Unhealthy for Sensitive Groups
Secondary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: PM10 - 39 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 34 Good