SmogRank / World / Poland / Greater Poland / August 2025
Most polluted cities in Greater Poland, Poland, August 2025
2 cities in Greater Poland, Poland ranked by their average PM2.5 over the 31 days. Worst: Kalisz at 12.8 µg/m³, #576 of 2,841 cities in the world. Cleanest: Poznań at 10.2. A city needs measurements on 70% of the days to be ranked.
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 Greater Poland, Poland, PM2.5, August 2025, smogrank.com/pl/region/greater-poland/history/2025-08 (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.