Illustration showing how radon gas moves through the ground and can enter a home through the foundation.

What Are Radon Levels Like in Our Region?

Recent community testing across the Kootenays and Southern Interior has found elevated radon levels in homes throughout the region. Explore local testing results, current radon initiatives, and trusted information from Health Canada, Interior Health and Take Action on Radon.

Radon Testing Results Across Our Region

Long-term community testing has identified elevated radon levels in homes across the Kootenays and Southern Interior.

Map showing radon levels in various regions, with circles indicating average Bq/m³ values, specifically highlighting Central Kootenay.
Take Action on Radon, Canada's national radon awareness initiative.

About the Community Testing Program

These results come from the 100 Radon Test Kit Challenge, a community testing program delivered through Take Action on Radon, a national initiative funded by Health Canada. Participating households use long-term radon detectors for at least 91 days, helping provide a snapshot of radon levels within participating homes in each community.

Click any community report below to view the full official results

Infographic about radon testing in Rossland, BC, highlighting that 142 homes participated in a radon test kit challenge during winter 2024-2025, with 10% testing above Health Canada's safe guideline of 200 Bq/m³. and illustrating radon levels with color-coded icons.

ROSSLAND

A poster about radon testing in Creston, BC, showing a landscape with mountains and a town, and information about radon test kits, radon levels in homes, and health risks associated with radon.

CRESTON

A street scene in Grand Forks, BC, with a mountain backdrop, along with informational graphics about radon testing in homes. The graphic indicates 35 homes participated in radon testing, with 48% exceeding health guidelines, and explains radon is a naturally occurring radioactive gas that enters homes through contact with the ground.

GRAND FORKS

Poster promoting radon testing in Nakusp, BC, highlighting a 100 Radon Test Kit Challenge and data on radon levels in homes, with icons showing levels of radon concentration and informational text.

NAKUSP

Infographic explaining radon levels and testing, with a photo of a lakeside town at the top, houses and trees, symbols of homes in red, yellow, green indicating radon levels, and illustrations of homes, trees, and a house in the lower part.

KASLO

Infographic about radon testing in Kimberley, BC, showing test kit challenge results, radon levels in homes, health risks, and how radon enters homes.

KIMBERLEY