Radon is one of those household risks you never see coming. Literally. It’s invisible, odorless, and silent, yet it’s the second leading cause of lung cancer in Canada. If you own a home in Manitoba, here’s the kicker: this province has some of the highest radon levels in the entire country.
So let’s break down what radon actually is, why it forms, and why Manitoba homes deal with it more than most places.
Radon is a radioactive gas that comes from the natural breakdown of uranium in soil and rock. That breakdown is happening under your home right now. Outdoors it’s harmless because the gas escapes into the open air. Indoors, though, radon gets trapped and builds up. That’s when it becomes a health risk.
Because radon is naturally occurring, it’s not something you can prevent from forming—it’s produced continuously. The goal isn’t to eliminate radon entirely; it’s to stop it from accumulating inside your living spaces where it can damage your lungs over time.
Picture the ground under your house like a giant sponge constantly releasing tiny amounts of gas. Radon slips through gaps, cracks, sump pits, plumbing openings, and even the pores in concrete. Every home breathes differently, which means no two radon levels are ever exactly the same.
Even well-built, airtight homes aren’t immune. In fact, the tighter the construction, the more likely radon is to accumulate because it has fewer escape routes. Homes with basements and crawlspaces tend to be at higher risk simply because they have more exposed foundation walls and concrete slabs in contact with the soil.
Manitoba sits on soil and rock formations rich in uranium, which naturally produce more radon. Combine that with long, cold winters where homes stay sealed tight for months, and you get perfect conditions for radon to accumulate. Many homeowners in areas like Brandon and Neepawa are surprised by how quickly radon levels climb once colder weather hits.
According to the Province of Manitoba’s public health data on radon, parts of the province consistently test well above the national guideline of 200 Bq/m³.
Another factor is Manitoba’s geology. The prairie landscape was shaped by glacial activity, leaving behind deep layers of sediment that trap radon gas. When homes are built on these layers, radon has a direct pathway inside. Many rural communities experience even higher readings because their properties sit on undisturbed soils with elevated uranium content.
Here’s the uncomfortable truth: long‑term exposure to high radon levels damages lung tissue. It’s not instant. You won’t feel symptoms. But over years, it becomes the leading cause of lung cancer for non‑smokers. It’s frustrating because most people don’t even know they were exposed until it’s too late.
For smokers, the risk is far higher. When radon exposure combines with smoking, the chances of developing lung cancer multiply dramatically. That’s why health agencies urge homeowners to test—even if they believe their home is low risk.
You don’t. There’s no smell, no sound, no sign. The only way to know is to test. Homeowners often assume new builds are safe, but radon doesn’t care about age, location, or building style. Even homes next door to each other can have wildly different results.
If you want a clear answer about your home’s levels, professional radon testing services give you accurate readings you can trust. And if you already had a test done, follow‑up radon measurement ensures your home stays safe year after year.
High radon isn’t something you ignore. But here’s the good news: it’s fixable. A mitigation system pulls radon from beneath your home and vents it safely outside. When done correctly, these systems can reduce radon levels by up to 95 percent. Homeowners in communities from Gladstone to Minnedosa have seen dramatic drops after a proper installation.
Professionally installed systems like those offered through radon system installation solve the problem for good.
After installation, long-term monitoring is recommended since soil conditions and home pressure can change over time. A mitigation system is only effective if it’s maintained, and yearly checkups help ensure radon levels remain consistently low.
If you live anywhere in the province, testing your home isn’t optional anymore. Not with the levels we’re seeing. And not with how easy fixing the issue can be once you know your numbers.
Westman Radon is here to help you protect your home and your family. When you’re ready to find out what’s really in the air you’re breathing, reach out.
Ready to test your home? Get started with professional radon testing today. Book your radon test now.
