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Primary air pollutant in the Round Hill area:
OZONE - 30 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 17 Good
PM10 - 7 Good
Primary Pollutant: PM2.5 - 44 Good
Primary Pollutant: PM2.5 - 50 Good
Primary Pollutant: PM2.5 - 39 Good
Primary Pollutant: PM2.5 - 39 Good
Primary Pollutant: PM2.5 - 28 Good