Radon Levels in Vancouver
British Columbia · Cross-Canada Radon Survey · 2025 data
By Canadian Radon Data Team · Sourced from official open data
Direct municipal dataCommunity summary
Average radon in Vancouver is 163 Bq/m³; 38% of homes exceed 200 Bq/m³.
Figure 1 · Geology
Glacial beneath Vancouver
Vancouver sits on Glacial bedrock or surficial deposits. Radon enters homes through cracks in foundations, sump pits, and utility penetrations. Geology explains regional averages, but individual home levels depend on construction, ventilation, and soil contact.
Vancouver vs British Columbia
Testing strongly advised
38% of tested homes in this area exceed 200 Bq/m³. Individual homes vary — the only way to know your level is to test.
- 1Order a Health Canada approved long-term test kit
- 2Place the detector on the lowest occupied level for 3+ months
- 3Send the kit to the lab and compare results to 200 Bq/m³
- 4Retest every 2 years or after major renovations
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Health Canada recommends a minimum 3-month test during heating season. Long-term kits give a more accurate picture than short 2-day charcoal tests.
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