Poor air quality can irritate your eyes, nose and throat. It can also lead to chronic heart and lung problems and cancer. We provide information and guidance to help make sure the air you breathe is healthy.

Grass blowing in the wind

Indoor Air Hazards

Get information on common sources of indoor air quality problems and ways to protect your health.

Outdoor Air Quality

Get data on the current outdoor air quality in Madison and Dane County, including sources of our most common pollutants, their health effects, and ways to improve our air quality.