What Is the Risk from Radon in Indiana?

All counties in Indiana are located in Zone 1 or Zone 2, indicating Indianans have a medium to high potential for elevated levels of radon gas. View interactive map showing estimated radon risk for each county.

Indiana Radon Hotline

Need more information on radon in Indiana? Call the Indiana Radon Hotline at 1-800-272-9723. Operating hours are 8:30 am (CST) through 4:30 pm (CST). If you are calling after standard operating hours, the automated messaging service will record your message and a staff member will return your call.

For a list of radon measurement and mitigation specialists please visit the Indiana Department of Public Health website.

Indiana Radon Poster Contest

The Indiana Radon Poster Contest is held each year to spread awareness of radon gas, the second leading cause of lung cancer. The Indiana Radon Poster Contest is made possible through a partnership with the Indiana State Department of Health.

2022 Contest Information

Poster Contest Winners

Contact Information
Indiana Radon Hotline: 1-800-272-9723
Poster Contest E-mail: [email protected]


Page last updated: November 21, 2022

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