SmogRank / World / Germany / Hesse / February 2025
Most polluted cities in Hesse, Germany, February 2025
24 cities in Hesse, Germany ranked by their average PM2.5 over the 28 days. Worst: Kassel at 26.0 µg/m³, #267 of 2,574 cities in the world. Cleanest: Gersfeld at 9.1. 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 22%
- 2Lampertheim 17%
- 2Gießen 17%
- 4Sulzbach 14%
- 5Frankfurt am Main 13%
- 6Bebra 13%
- 7Bensheim 13%
- 8Rüsselsheim am Main 13%
- 9Fulda 13%
- 10Wiesbaden 13%
- 11Riedstadt 13%
- 12Zierenberg 13%
- 13Edertal 13%
- 14Großalmerode 13%
- 15Hanau am Main 9%
- 16Limburg an der Lahn 9%
- 17Wetzlar 9%
- 18Darmstadt 9%
- 19Kelsterbach 9%
- 20Marburg an der Lahn 9%
- 21Michelstadt 9%
- 22Fürth 9%
- 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, February 2025, smogrank.com/de/region/hesse/history/2025-02 (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.