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Primary air pollutant in the Onawa area:
OZONE - 29 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 42 Good
Secondary Pollutant: PM2.5 - 34 Good
Primary Pollutant: OZONE - 34 Good
Secondary Pollutant: PM2.5 - 27 Good
Primary Pollutant: OZONE - 31 Good
Secondary Pollutant: PM2.5 - 22 Good