SmogRank / World / Canada / British Columbia / August 2026
Most polluted cities in British Columbia, Canada, August 2026
38 cities in British Columbia, Canada ranked by their average PM2.5 over the 31 days. Worst: Kamloops at 44.1 µg/m³, #34 of 2,866 cities in the world. Cleanest: Campbell River at 2.7. 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 32%
- 2Kamloops 29%
- 3Hope 29%
- 4Vernon 26%
- 5Cranbrook 26%
- 6Creston 23%
- 7Agassiz 19%
- 8Kelowna 19%
- 9Chilliwack 16%
- 10Squamish 8%
- 11Williams Lake 7%
- 12Gibsons 6%
- 13Abbotsford 6%
- 14Coquitlam 6%
- 15North Vancouver 3%
- 16Port Coquitlam 3%
- 17Whistler 0%
- 18Burnaby 0%
- 18West Vancouver 0%
- 20Fort St. John 0%
- 21Langley 0%
- 22Port Alberni 0%
- 22Quesnel 0%
- 24Vancouver 0%
- 25Prince George 0%
- 26Strawberry Hill 0%
- 27Harewood 0%
- 28Duncan 0%
- 29Victoria 0%
- 30Richmond 0%
- 31Langford 0%
- 32Delta 0%
- 33Nanaimo 0%
- 34Kitimat 0%
- 35Terrace 0%
- 36North Cowichan 0%
- 37Smithers 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, August 2026, smogrank.com/ca/region/british-columbia/history/2026-08 (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.