SmogRank / World / Canada / British Columbia / 2025
Most polluted cities in British Columbia, Canada, 2025
38 cities in British Columbia, Canada ranked by their average PM2.5 over the 365 days; 22 above the WHO annual guideline (5.0 µg/m³). Worst: Prince George at 9.1 µg/m³, #1,278 of 2,624 cities in the world. Cleanest: Campbell River at 3.8. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Prince George 4%
- 2Williams Lake 3%
- 3Fort St. John 2%
- 4Quesnel 2%
- 5Squamish 1%
- 6Cranbrook 1%
- 7Castlegar 1%
- 8Whistler 1%
- 9Gibsons 1%
- 10Hope 1%
- 11Smithers 1%
- 12Vernon 1%
- 13Kelowna 1%
- 14Agassiz 1%
- 15Port Alberni 0%
- 16Coquitlam 0%
- 17Burnaby 0%
- 18West Vancouver 0%
- 19Kamloops 0%
- 20Duncan 0%
- 21Victoria 0%
- 22Chilliwack 0%
- 22Langford 0%
- 22Vancouver 0%
- 25Abbotsford 0%
- 25Mission 0%
- 27Richmond 0%
- 28Langley 0%
- 28Terrace 0%
- 30Strawberry Hill 0%
- 30Harewood 0%
- 32Nanaimo 0%
- 32Port Coquitlam 0%
- 34Delta 0%
- 35North Vancouver 0%
- 36Kitimat 0%
- 36North Cowichan 0%
- 38Campbell River 0%
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
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SmogRank, most polluted cities in British Columbia, Canada, PM2.5, 2025, smogrank.com/ca/region/british-columbia/history/2025 (accessed 6 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.