SmogRank / World / Canada / British Columbia / 2026
Most polluted cities in British Columbia, Canada, 2026
35 cities in British Columbia, Canada ranked by their average PM2.5 so far (278 of 365 days); 22 above the WHO annual guideline (5.0 µg/m³). Worst: Kamloops at 13.7 µg/m³, #629 of 2,745 cities in the world. Cleanest: North Cowichan at 3.3. 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.
- 1Kamloops 7%
- 2Castlegar 7%
- 3Cranbrook 5%
- 4Vernon 5%
- 5Hope 4%
- 6Kelowna 3%
- 7Williams Lake 3%
- 8Agassiz 3%
- 9Chilliwack 2%
- 10Squamish 1%
- 11Quesnel 1%
- 12Fort St. John 1%
- 13Gibsons 1%
- 14Abbotsford 1%
- 15Coquitlam 1%
- 16Prince George 0%
- 17Port Coquitlam 0%
- 18North Vancouver 0%
- 19Port Alberni 0%
- 20Harewood 0%
- 21Victoria 0%
- 22Vancouver 0%
- 23Burnaby 0%
- 23Langley 0%
- 25Strawberry Hill 0%
- 26Kitimat 0%
- 26Richmond 0%
- 28Nanaimo 0%
- 28Whistler 0%
- 30Smithers 0%
- 30Terrace 0%
- 32Delta 0%
- 32West Vancouver 0%
- 34Campbell River 0%
- 35North Cowichan 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, 2026 (so far), smogrank.com/ca/region/british-columbia/history/2026 (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.