Radon is a colorless, odorless gas that’s common in Colorado and the second leading cause of lung cancer.
Testing your home is simple and can help you create a healthier, safer space for your family this summer and beyond.
Learn more and find free resources at Lung.org/radon — and share this reminder to help keep Colorado families safe!
Radon and Lung Health
Schools and Daycare
Colorado statute requires all schools to test for radon and to maintain records of the test results for disclosure on request.
The statute doesn’t require schools to mitigate, so it’s up to the school district and its constituents to address mitigation issues.
Learn more about the requirements:
Real Estate
Find resources for real estate transactions, mitigation, new home construction and more through the Colorado Department of Public Health & Environment.
Helpful materials:
- Is Your Home Safe From Radon | in Spanish
- Colorado Low-income Radon Mitigation Assistance Program (LIRMA) | in Spanish
- Radon and Real Estate Transactions in Colorado
More Resources for Professionals
Page last updated: September 18, 2025
