SmogRank / World / Canada / British Columbia / July 2026
Most polluted cities in British Columbia, Canada, July 2026
37 cities in British Columbia, Canada ranked by their average PM2.5 over the 31 days. Worst: Kamloops at 34.1 µg/m³, #96 of 2,751 cities in the world. Cleanest: Campbell River at 2.9. 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 30%
- 2Williams Lake 21%
- 3Castlegar 19%
- 4Vernon 10%
- 5Cranbrook 10%
- 6Quesnel 9%
- 7Fort St. John 7%
- 8Hope 7%
- 9Creston 6%
- 10Prince George 3%
- 11Agassiz 3%
- 12Chilliwack 3%
- 13Port Alberni 0%
- 14Abbotsford 0%
- 14Squamish 0%
- 16Coquitlam 0%
- 17Gibsons 0%
- 18Nanaimo 0%
- 18Whistler 0%
- 20Port Coquitlam 0%
- 21Burnaby 0%
- 22Langley 0%
- 23Smithers 0%
- 23Strawberry Hill 0%
- 23Vancouver 0%
- 26Kitimat 0%
- 27West Vancouver 0%
- 28Richmond 0%
- 29Delta 0%
- 29Harewood 0%
- 31Terrace 0%
- 31Victoria 0%
- 33North Vancouver 0%
- 34Duncan 0%
- 35Langford 0%
- 36North Cowichan 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, July 2026, smogrank.com/ca/region/british-columbia/history/2026-07 (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.