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Primary air pollutant in the Merrifield area:
PM2.5 - 33 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 8 Good
OZONE - 28 Good
Primary Pollutant: PM2.5 - 55 Moderate
Primary Pollutant: PM2.5 - 44 Good
Primary Pollutant: PM2.5 - 53 Moderate
Primary Pollutant: PM2.5 - 53 Moderate