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Primary air pollutant in the Montrose area:
OZONE - 31 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 22 Good
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 28 Good
Primary Pollutant: OZONE - 46 Good
Secondary Pollutant: PM2.5 - 23 Good