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Primary air pollutant in the Northwest Harwinton area:
OZONE - 27 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 24 Good
PM10 - 9 Good
Primary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: OZONE - 32 Good
Primary Pollutant: OZONE - 36 Good
Secondary Pollutant: PM2.5 - 33 Good