SmogRank / World / Canada / British Columbia / November 2023
Most polluted cities in British Columbia, Canada, November 2023
37 cities in British Columbia, Canada ranked by their average PM2.5 over the 30 days. Worst: Castlegar at 17.7 µg/m³, #101 of 2,194 cities in the world. Cleanest: Williams Lake 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.
- 1Castlegar 11%
- 2Quesnel 0%
- 3Vernon 0%
- 4Cranbrook 0%
- 5Duncan 0%
- 6Smithers 0%
- 7Kamloops 0%
- 8Langford 0%
- 9Courtenay 0%
- 10Kelowna 0%
- 10Langley 0%
- 10Harewood 0%
- 13Port Alberni 0%
- 13Victoria 0%
- 15Fort St. John 0%
- 16North Cowichan 0%
- 17Chilliwack 0%
- 17Terrace 0%
- 19Abbotsford 0%
- 19Vancouver 0%
- 21Squamish 0%
- 21Strawberry Hill 0%
- 23Richmond 0%
- 24Delta 0%
- 25Whistler 0%
- 26Campbell River 0%
- 26Gibsons 0%
- 26Port Coquitlam 0%
- 29Burnaby 0%
- 30Nanaimo 0%
- 31Coquitlam 0%
- 32Agassiz 0%
- 33Hope 0%
- 34North Vancouver 0%
- 35Kitimat 0%
- 36West Vancouver 0%
- 37Williams Lake 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, November 2023, smogrank.com/ca/region/british-columbia/history/2023-11 (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.