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Primary air pollutant in the Castleton Four Corners area:
PM2.5 - 37 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 16 Good
OZONE - 13 Good
Expect generally good air quality across Vermont for Saturday, May 9th.
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 35 Good
Primary Pollutant: OZONE - 35 Good
Secondary Pollutant: PM2.5 - 30 Good