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Primary air pollutant in the Montrose area:
PM2.5 - 36 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 31 Good
Primary Pollutant: OZONE - 51 Moderate
Secondary Pollutant: PM2.5 - 43 Good
Primary Pollutant: OZONE - 84 Moderate
Secondary Pollutant: PM2.5 - 50 Good