SmogRank / World / Canada / Saskatchewan / July 2025
Most polluted cities in Saskatchewan, Canada, July 2025
5 cities in Saskatchewan, Canada ranked by their average PM2.5 over the 31 days. Worst: Prince Albert at 46.1 µg/m³, #40 of 2,832 cities in the world. Cleanest: Swift Current at 19.5. 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.
- 1Prince Albert 45%
- 2Regina 26%
- 3Saskatoon 23%
- 4Estevan 23%
- 5Swift Current 16%
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 Saskatchewan, Canada, PM2.5, July 2025, smogrank.com/ca/region/saskatchewan/history/2025-07 (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.