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The Smoke-free Illinois Act (SFIA), is an Illinois law that protects the public from the harmful effects of exposure to tobacco smoke. SFIA prohibits smoking in public places, places of employment, and within 15 feet of any entrance, exit, windows that open, or ventilation intake of a public place or place of employment.

The act also includes requirements for signage and describes how to file a complaint, the enforcement process, and how fines will be determined for violations. Local ordinances may have additional regulations on where smoking is prohibited.


Under the Smoke-free Illinois Act, businesses must:

  • Not permit smoking at your business or within 15 feet of all entrances, exits, windows that open, and ventilation intakes.
  • Remove ashtrays from areas where smoking is prohibited.
  • Ensure smoking areas are at least 15 feet from outdoor patio areas.
  • Post “No Smoking” signs at each entrance to the place of employment or public place where smoking is prohibited.
    • “No Smoking” signs must comply with the specification in the Smoke-free Illinois Act. “No Smoking” signs or the international “No Smoking” symbol, consisting of a pictorial representation of a burning cigarette enclosed in a red circle with a red bar across it, must be clearly posted in each public place and place of employment where smoking is prohibited.
  • Business and individuals found in violation of the Smoke-free Illinois Act are subject to fines.

Additional Resources on the Smoke-free Illinois Act

IDPH Smoke-Free Illinois

Illinois General Assembly 

If you would like to report a violation or concern visit :http://www.idph.state.il.us/sfi/public/

For more detailed information or questions on the Smoke-free Illinois Act, please contact the Winnebago County Health Department at 815-720-4000 and ask to speak with the Tobacco Prevention Specialist.