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Primary air pollutant in the Gratis area:
PM2.5 - 67 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 - 44 Good
OZONE - 31 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 51 Moderate
Primary Pollutant: OZONE - 61 Moderate
Secondary Pollutant: PM2.5 - 50 Good
Primary Pollutant: OZONE - 48 Good
Secondary Pollutant: PM2.5 - 44 Good
Primary Pollutant: OZONE - 48 Good
Secondary Pollutant: PM2.5 - 39 Good