SmogRank / World / Canada / British Columbia / April 2025
Most polluted cities in British Columbia, Canada, April 2025
37 cities in British Columbia, Canada ranked by their average PM2.5 over the 30 days. Worst: Quesnel at 6.3 µg/m³, #2,171 of 2,896 cities in the world. Cleanest: Campbell River at 2.2. 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%
- 2Harewood 0%
- 3Port Alberni 0%
- 3Prince George 0%
- 5Castlegar 0%
- 5Victoria 0%
- 7Vernon 0%
- 8Agassiz 0%
- 8Smithers 0%
- 10Chilliwack 0%
- 10Gibsons 0%
- 10Langford 0%
- 10Langley 0%
- 14Abbotsford 0%
- 15Cranbrook 0%
- 15Fort St. John 0%
- 15Mission 0%
- 15Squamish 0%
- 19Duncan 0%
- 19Strawberry Hill 0%
- 21Kamloops 0%
- 21Vancouver 0%
- 23Burnaby 0%
- 24Hope 0%
- 24Port Coquitlam 0%
- 24Terrace 0%
- 27Coquitlam 0%
- 27Richmond 0%
- 29Delta 0%
- 29Kelowna 0%
- 29Kitimat 0%
- 32North Vancouver 0%
- 33West Vancouver 0%
- 34North Cowichan 0%
- 35Nanaimo 0%
- 36Williams Lake 0%
- 37Campbell 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, April 2025, smogrank.com/ca/region/british-columbia/history/2025-04 (accessed 7 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.