AQ Index for O Fallon, Illinois

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Current AQ Index in O Fallon

O Fallon Air Pollutants

Primary air pollutant in the O Fallon area:

OZONE - 31 Good

Enjoy your outdoor activities.

Other Pollutants:

PM2.5 - 13 Good

Daily Air Quality Forecast for O Fallon, Illinois

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good