AQ Index for Decatur, Illinois

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Current AQ Index in Decatur

Decatur Air Pollutants

Primary air pollutant in the Decatur area:

PM2.5 - 40 Good

Enjoy your outdoor activities.

Daily Air Quality Forecast for Decatur, Illinois

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Secondary Pollutant: OZONE - 0 Good