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Primary air pollutant in the New Canaan area:
OZONE - 33 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 45 Good
Secondary Pollutant: PM2.5 - 33 Good
Primary Pollutant: PM2.5 - 52 Moderate
Secondary Pollutant: OZONE - 49 Good
Primary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM2.5 - 33 Good