SmogRank / World / Canada / British Columbia / September 2026
Most polluted cities in British Columbia, Canada, September 2026
37 cities in British Columbia, Canada ranked by their average PM2.5 over the 30 days. Worst: Kamloops at 8.4 µg/m³, #894 of 2,949 cities in the world. Cleanest: North Cowichan at 3.0. 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 0%
- 2Castlegar 0%
- 3Hope 0%
- 4Chilliwack 0%
- 5Agassiz 0%
- 5Vernon 0%
- 7Prince George 0%
- 8Abbotsford 0%
- 9Quesnel 0%
- 10Kelowna 0%
- 11Harewood 0%
- 12Squamish 0%
- 13Vancouver 0%
- 14Gibsons 0%
- 14Strawberry Hill 0%
- 16Duncan 0%
- 16Langley 0%
- 16Victoria 0%
- 19Cranbrook 0%
- 19Kitimat 0%
- 19Richmond 0%
- 22Burnaby 0%
- 23Coquitlam 0%
- 23Delta 0%
- 23Langford 0%
- 26North Vancouver 0%
- 26Port Coquitlam 0%
- 28Fort St. John 0%
- 28Nanaimo 0%
- 30West Vancouver 0%
- 31Terrace 0%
- 32Campbell River 0%
- 32Williams Lake 0%
- 34Creston 0%
- 34Whistler 0%
- 36Smithers 0%
- 37North 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, September 2026, smogrank.com/ca/region/british-columbia/history/2026-09 (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.