SmogRank / World / Germany / Hesse / May 2025
Most polluted cities in Hesse, Germany, May 2025
24 cities in Hesse, Germany ranked by their average PM2.5 over the 31 days. Worst: Kassel at 6.9 µg/m³, #1,600 of 2,771 cities in the world. Cleanest: Gersfeld at 4.0. 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.
- 1Kassel 0%
- 2Frankfurt am Main 0%
- 3Sulzbach 0%
- 3Lampertheim 0%
- 5Darmstadt 0%
- 6Kelsterbach 0%
- 6Gießen 0%
- 8Rüsselsheim am Main 0%
- 9Wiesbaden 0%
- 10Wetzlar 0%
- 10Limburg an der Lahn 0%
- 12Michelstadt 0%
- 12Riedstadt 0%
- 14Hanau am Main 0%
- 15Fulda 0%
- 15Bensheim 0%
- 17Marburg an der Lahn 0%
- 18Bebra 0%
- 19Großalmerode 0%
- 20Fürth 0%
- 20Edertal 0%
- 22Zierenberg 0%
- 23Glashütten 0%
- 24Gersfeld 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 Hesse, Germany, PM2.5, May 2025, smogrank.com/de/region/hesse/history/2025-05 (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.