SmogRank / World / Germany / Baden-Wurttemberg / September 2025
Most polluted cities in Baden-Wurttemberg, Germany, September 2025
25 cities in Baden-Wurttemberg, Germany ranked by their average PM2.5 over the 30 days. Worst: Mannheim at 7.1 µg/m³, #1,601 of 3,052 cities in the world. Cleanest: Trochtelfingen at 3.5. 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.
- 1Mannheim 0%
- 2Heilbronn 0%
- 3Ulm 0%
- 4Stuttgart 0%
- 5Tübingen 0%
- 5Schwäbisch Hall 0%
- 7Karlsruhe 0%
- 7Heidelberg 0%
- 9Kehl 0%
- 10Ludwigsburg 0%
- 10Filderstadt 0%
- 12Biberach an der Riß 0%
- 13Pforzheim 0%
- 13Neuenburg am Rhein 0%
- 13Friedrichshafen 0%
- 16Wiesloch 0%
- 17Reutlingen 0%
- 17Aalen 0%
- 19Freiburg 0%
- 19Eggenstein-Leopoldshafen 0%
- 21Tauberbischofsheim 0%
- 22Gärtringen 0%
- 23Baden-Baden 0%
- 24Villingen-Schwenningen 0%
- 25Trochtelfingen 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 Baden-Wurttemberg, Germany, PM2.5, September 2025, smogrank.com/de/region/baden-wurttemberg/history/2025-09 (accessed 6 Oct 2026).
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