Radon is a colourless, odourless gas that can be harmful to your health. Find out your possible exposure and how it could affect you.
This map only uses data collected from HomeRadonTest.ca. It does not show results from every home and may not reflect the true radon levels in all areas. This tool is for learning and general information only. It's not meant to guide personal medical decisions.
You can help improve this map. Every test adds valuable information and helps create a better picture of radon risk across the country.
Did you know that even people living under the same roof can have very different radon exposure?
Let's meet a fictional Canadian family, the Larsons, who live in a multi-level single-family home in Regina with a radon level of 250 Bq/m3.
This means their home is one of the estimated 7 in 10 in the city with high radon levels above the Canadian guideline of 200 Bq/m3. Let's learn how radon affects each of them in very different ways due to their home's radon level, and their unique lifestyles.
Now that you've learned how radon can affect members of your household differently, let's meet the real people that radon has affected in your community: Read personal stories of lung cancer linked to radon.
Explore your home's risk, learn facts, and take steps to protect your family.
Find out how radon might affect your chance of getting lung cancer.
Find out what radon looks like near you.
Get the basics on radon risks and safety.
Peace of mind starts with a simple test.
Estimated* in homes in this area above the Canadian guideline of 200 Bq/m3.
*based on data from HomeRadonTest.ca. Radon levels can vary between homes, so the only way to know for sure is to test.