
Radon in Ontario homes: the risks, where it hides, and how to test it properly
Radon in Ontario homes is a quiet risk with real consequences—and a straightforward fix when you handle it right. Radon is a colourless, odourless radioactive gas that seeps in from soil and rock. Long-term exposure raises lung-cancer risk, especially for smokers. Health Canada’s guideline is 200 Bq/m³: at or above




