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Primary air pollutant in the Dale City area:
OZONE - 35 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 33 Good
PM10 - 10 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 47 Good
Primary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: OZONE - 44 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 47 Good
Primary Pollutant: OZONE - 50 Good
Secondary Pollutant: PM2.5 - 44 Good