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.

• Vehicle Emissions Testing
• Ambient Air Monitoring
• Alternative Fuels/Illinois Green Fleets
• Planning - CAIR-Nox
• 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