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Air Quality

Bureau of Air (main page)
​Mobile Sources
​Air Permits​Vehicle Emissions Testing
​Forms, Permits, and Fees​Outdoor Air
​Open Burning
​Air Quality Reports
​Asbestos​Ambient Air Monitoring Network Plan
​Mercury​Climate Change in Illinois
​Nitrogen Oxide (NOx)​Fact Sheets

Additional Resources

​Vehicle Emissions Testing​Planning - CAIR-Nox
​A-to-Z Topics ListOutdoor Air Quality Data
​Air Public NoticesIllinois EnviroFlash
Quick Answer DirectoryClimate Change
​Contact the Illinois EPA​Reports
​Pollution Complaints​