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Primary air pollutant in the Westford area:
OZONE - 20 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 14 Good
PM10 - 5 Good
Expect generally good air quality across Vermont on Tuesday, September 29th.
Primary Pollutant: PM2.5 - 25 Good
Secondary Pollutant: OZONE - 25 Good
Primary Pollutant: PM2.5 - 40 Good
Secondary Pollutant: OZONE - 30 Good