SmogRank / World / Germany / Hesse / October 2026
Most polluted cities in Hesse, Germany, October 2026
19 cities in Hesse, Germany ranked by their average PM2.5 so far (5 of 31 days). Worst: Kassel at 9.1 µg/m³, #596 of 2,246 cities in the world. Cleanest: Gersfeld at 3.3. 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%
- 2Lampertheim 0%
- 3Frankfurt am Main 0%
- 4Limburg an der Lahn 0%
- 5Gießen 0%
- 6Wetzlar 0%
- 7Hanau am Main 0%
- 8Fulda 0%
- 9Bebra 0%
- 10Rüsselsheim am Main 0%
- 10Marburg an der Lahn 0%
- 12Wiesbaden 0%
- 13Riedstadt 0%
- 14Darmstadt 0%
- 15Michelstadt 0%
- 16Bensheim 0%
- 17Zierenberg 0%
- 18Glashütten 0%
- 18Gersfeld 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, October 2026 (so far), smogrank.com/de/region/hesse/history/2026-10 (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.