SmogRank / World / Canada / British Columbia / June 2025
Most polluted cities in British Columbia, Canada, June 2025
38 cities in British Columbia, Canada ranked by their average PM2.5 over the 30 days. Worst: Fort St. John at 16.6 µg/m³, #333 of 2,453 cities in the world. Cleanest: Kitimat 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.
- 1Fort St. John 11%
- 2Prince George 7%
- 3Williams Lake 0%
- 4Quesnel 0%
- 5Kamloops 0%
- 6Castlegar 0%
- 7Agassiz 0%
- 8Chilliwack 0%
- 8Vernon 0%
- 8Victoria 0%
- 11Cranbrook 0%
- 12Abbotsford 0%
- 12Gibsons 0%
- 12Squamish 0%
- 15Mission 0%
- 16Hope 0%
- 17Burnaby 0%
- 17Whistler 0%
- 19Coquitlam 0%
- 19Langford 0%
- 19Port Coquitlam 0%
- 19Vancouver 0%
- 23Langley 0%
- 24Kelowna 0%
- 24Strawberry Hill 0%
- 26Duncan 0%
- 27West Vancouver 0%
- 28Richmond 0%
- 28Smithers 0%
- 30Delta 0%
- 30Port Alberni 0%
- 32Creston 0%
- 32North Vancouver 0%
- 34Nanaimo 0%
- 35Terrace 0%
- 36Harewood 0%
- 37North Cowichan 0%
- 38Kitimat 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, June 2025, smogrank.com/ca/region/british-columbia/history/2025-06 (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.