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Primary air pollutant in the Onawa area:
OZONE - 8 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 26 Good
Primary Pollutant: OZONE - 32 Good
Secondary Pollutant: PM2.5 - 12 Good
Primary Pollutant: OZONE - 37 Good
Secondary Pollutant: PM2.5 - 18 Good