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Primary air pollutant in the Union area:
PM2.5 - 58 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Primary air pollutant in the Union area:
OZONE - 41 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 39 Good
Primary Pollutant: OZONE - 0 Moderate