Air Quality

These are the air quality topics that we believe might be of most interest to you as a government official or employee in Illinois. For even more information, visit  our main air quality page, as well as our forms, permits, and fees page.

• Outdoor Air Quality Data, including Air Quality Index, ozone highs, and PM2.5 averages.

• Illinois EnviroFlash

• Asbestos

• Climate Change

• Open Burning

• Pollution Complaints

• Reports

• Air Quality (main page)

• Forms, permits, and fees