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Primary air pollutant in the Port Jefferson area:
OZONE - 61 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:
PM2.5 - 43 Good
Primary Pollutant: OZONE - 74 Moderate
Secondary Pollutant: PM2.5 - 37 Good
Primary Pollutant: OZONE - 61 Moderate
Secondary Pollutant: PM2.5 - 42 Good