SmogRank / World / Canada / British Columbia / March 2026
Most polluted cities in British Columbia, Canada, March 2026
33 cities in British Columbia, Canada ranked by their average PM2.5 over the 31 days. Worst: Quesnel at 6.4 µg/m³, #2,464 of 2,947 cities in the world. Cleanest: West Vancouver at 2.3. 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.
- 1Quesnel 0%
- 2Castlegar 0%
- 3Port Alberni 0%
- 4Vernon 0%
- 5Kamloops 0%
- 6Fort St. John 0%
- 7Kitimat 0%
- 7Terrace 0%
- 9Prince George 0%
- 10Harewood 0%
- 11Chilliwack 0%
- 11Kelowna 0%
- 11Victoria 0%
- 14Agassiz 0%
- 14Richmond 0%
- 14Vancouver 0%
- 17Abbotsford 0%
- 18Campbell River 0%
- 18Gibsons 0%
- 18Langley 0%
- 18Williams Lake 0%
- 22Burnaby 0%
- 22Strawberry Hill 0%
- 24Coquitlam 0%
- 24Squamish 0%
- 26Nanaimo 0%
- 26Whistler 0%
- 28Delta 0%
- 28Hope 0%
- 30North Cowichan 0%
- 30Port Coquitlam 0%
- 32North Vancouver 0%
- 32West Vancouver 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, March 2026, smogrank.com/ca/region/british-columbia/history/2026-03 (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.