SmogRank / World / Germany / Baden-Wurttemberg / 2025
Most polluted cities in Baden-Wurttemberg, Germany, 2025
26 cities in Baden-Wurttemberg, Germany ranked by their average PM2.5 over the 365 days; 25 above the WHO annual guideline (5.0 µg/m³). Worst: Mannheim at 11.8 µg/m³, #612 of 2,624 cities in the world. Cleanest: Kirchzarten at 4.8. 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.
- 1Kehl 3%
- 2Mannheim 3%
- 3Filderstadt 2%
- 4Karlsruhe 2%
- 5Stuttgart 2%
- 6Heilbronn 1%
- 7Friedrichshafen 1%
- 8Biberach an der Riß 1%
- 9Tübingen 1%
- 10Heidelberg 1%
- 11Neuenburg am Rhein 1%
- 12Ludwigsburg 1%
- 13Eggenstein-Leopoldshafen 1%
- 14Pforzheim 1%
- 15Reutlingen 1%
- 16Aalen 1%
- 17Ulm 1%
- 18Schwäbisch Hall 1%
- 19Wiesloch 1%
- 20Baden-Baden 1%
- 21Tauberbischofsheim 1%
- 22Trochtelfingen 0%
- 23Gärtringen 0%
- 24Freiburg 0%
- 25Villingen-Schwenningen 0%
- 26Kirchzarten 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, 2025, smogrank.com/de/region/baden-wurttemberg/history/2025 (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.