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Primary air pollutant in the Castleton Four Corners area:
OZONE - 40 Good
Enjoy your outdoor activities.
On Monday, March 9th, expect generally good air quality in Vermont.
Primary Pollutant: PM2.5 - 40 Good
Secondary Pollutant: OZONE - 40 Good
Primary Pollutant: OZONE - 45 Good
Secondary Pollutant: PM2.5 - 40 Good
Primary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: OZONE - 40 Good