1. DCEO
  2. Small Business Assistance
  3. Environmental Assistance Program

Air Permit Information Guidance

Information to help you determine if your business requires an air permit, and guidance documents to complete a permit application.
What should your Air Permit application include?  These industry specific guides will help you complete a thorough and correct application:
EPA Permit Portal - Allows you to search for existing permit information and pending applications on the Illinois EPA "Permit Portal"