Basement air context for Coquitlam
How Coquitlam sits in Health Canada indoor-radon survey geography.
Indoor radon figures for Coquitlam follow Health Canada survey geography, often at CMA or regional scale. Higher mean Bq/m³ ranks as higher risk on the board.
A home still needs its own long-term test. Use the radon page to put Coquitlam in national context first.