Radon

Information about how radon gets into your home, how it affects you, and how to reduce it.

CDC Health Topics A–Z 2 min read
This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

A happy family with young children standing outside their home smiling About Radon Radon is an odorless and invisible radioactive gas that can build up in homes and buildings. Learn More Jan. 23, 2024 Radon Awareness Week. What’s your radon story? Radon Awareness Week Raise awareness about radon risks and actions people can take to protect themselves. Dec. 4, 2025 High school teacher and students in a tribal nation school library Radon in Tribal Communities Raising awareness about the risks of radon can help reduce health impacts in tribal communities. Jan. 3, 2025 Reduce radon levels in your home Side profile view of a person’s chest and hands scrolling on a tablet device. Title reads “Radon” and get the facts about radon. Lower left is the CDC logo and lower right is cdc.gov/radon How Radon Gets Into Your Home Radon is found in groundwater, bedrock, and soil and can creep into your home. Jan. 23, 2024 A family hugging viewing a home with the text “Take Action: Don’t wait to take action to reduce radon levels in your home.” At the bottom left corner is the CDC logo and at the bottom right is the text “cdc.gov/radon”. Reducing Radon Levels in Your Home Reducing radon levels in the home can help lower the risk of lung cancer. Feb. 15, 2024 Testing: The only way to determine if your home has high radon levels. Testing Testing your home is the only way to know if radon levels are high. Feb. 2, 2024 Raise awareness about radon A gamepiece house sits on top of a neighborhood map. A magnifying glass hovers over the map with text in the lens that reads, “86 Rn Radon “ Radon Features and Stories A collection of CDC features and personal stories about how to reduce radon risk. Jan. 3, 2025 Image of an adult and child building a house from toy blocks with the text “Protect Yourself & Your Loved Ones From Radon.” at the bottom left corner is the CDC logo and at the bottom right is the text “cdc.gov/radon” Radon Toolkit Radon communication resources from CDC. Dec. 4, 2025 Illustration of green houses and buildings. Tools and Resources Find additional resources from CDC and other federal agencies. Feb. 15, 2024

⚠ Caution
Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.