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Primary air pollutant in the Fontana area:
PM2.5 - 63 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 - 57 Moderate
OZONE - 31 Good
Primary Pollutant: OZONE - 166 Unhealthy
Secondary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: PM10 - 35 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 37 Good