SmogRank / World / Germany / Hesse / September 2026
Most polluted cities in Hesse, Germany, September 2026
23 cities in Hesse, Germany ranked by their average PM2.5 over the 30 days. Worst: Kassel at 6.6 µg/m³, #1,407 of 2,949 cities in the world. Cleanest: Edertal 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%
- 2Lampertheim 0%
- 3Sulzbach 0%
- 4Gießen 0%
- 5Frankfurt am Main 0%
- 6Wiesbaden 0%
- 6Wetzlar 0%
- 8Marburg an der Lahn 0%
- 8Limburg an der Lahn 0%
- 8Darmstadt 0%
- 11Michelstadt 0%
- 11Kelsterbach 0%
- 11Hanau am Main 0%
- 11Riedstadt 0%
- 15Fulda 0%
- 16Rüsselsheim am Main 0%
- 16Bensheim 0%
- 16Bebra 0%
- 19Fürth 0%
- 20Zierenberg 0%
- 21Glashütten 0%
- 22Großalmerode 0%
- 22Edertal 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, September 2026, smogrank.com/de/region/hesse/history/2026-09 (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.