Radon in Indiana

What is Radon?

Radon is a colorless, tasteless and odorless gas that causes lung cancer. Exposure to radon is the second leading cause of lung cancer in the United States, after smoking. Radon-related lung cancers result in an estimated 21,000 deaths annually in the United States.

Find more information and resources about radon health risks, testing and mitigation. 

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 HelpLine

Need more information on radon in Indiana? Call the Indiana Radon HelpLine at 1-800-272-9723. Operating hours are weekdays from 7 am through 6 pm and weekends from 9 am through 5 pm. 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 Resources

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.

Poster Contest Winners & Information

Contact Information
Indiana Radon Hotline: 1-800-272-9723
Poster Contest E-mail: PosterContest@Lung.org