SmogRank / World / Germany / Baden-Wurttemberg / May 2025
Most polluted cities in Baden-Wurttemberg, Germany, May 2025
24 cities in Baden-Wurttemberg, Germany ranked by their average PM2.5 over the 31 days. Worst: Mannheim at 7.7 µg/m³, #1,396 of 2,771 cities in the world. Cleanest: Heidelberg at 5.2. 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%
- 2Filderstadt 0%
- 3Stuttgart 0%
- 4Heilbronn 0%
- 5Ulm 0%
- 6Tübingen 0%
- 6Friedrichshafen 0%
- 8Neuenburg am Rhein 0%
- 8Karlsruhe 0%
- 10Schwäbisch Hall 0%
- 10Biberach an der Riß 0%
- 12Reutlingen 0%
- 12Pforzheim 0%
- 12Ludwigsburg 0%
- 12Freiburg 0%
- 16Aalen 0%
- 17Gärtringen 0%
- 17Eggenstein-Leopoldshafen 0%
- 19Villingen-Schwenningen 0%
- 20Baden-Baden 0%
- 21Wiesloch 0%
- 22Trochtelfingen 0%
- 23Tauberbischofsheim 0%
- 23Heidelberg 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, May 2025, smogrank.com/de/region/baden-wurttemberg/history/2025-05 (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.