Radon causes lung cancer

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Organization: Health Canada

Published: October 2025

Radon is in every home in Canada. Long-term exposure to high radon levels is the #1 cause of lung cancer in non-smokers. Lung cancer is the most common cancer in Canada and has a low survival rate.

Are you at risk?

Radon is an invisible, radioactive gas. The only way to know if your home has a high radon level is to test.

Purchase

Buy a long-term radon test kit.

Test

Follow the instructions provided and test your home.

Take action

If the radon level is high, lower it. Reducing radon saves lives!

Protect yourself and your family.

Test your home for radon

www.test4radon.ca

Find out more:

www.canada.ca/radon

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2025-11-21