SmogRank / World / Germany / Lower Saxony / October 2025
Most polluted cities in Lower Saxony, Germany, October 2025
26 cities in Lower Saxony, Germany ranked by their average PM2.5 over the 31 days. Worst: Norderney at 6.6 µg/m³, #1,276 of 2,564 cities in the world. Cleanest: Braunlage at 2.3. 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.
- 1Norderney 0%
- 2Oldenburg 0%
- 3Walsrode 0%
- 3Emden 0%
- 3Bösel 0%
- 6Ritterhude 0%
- 7Otterndorf 0%
- 7Osnabrück 0%
- 9Wolfsburg 0%
- 9Lingen 0%
- 9Jork 0%
- 9Hannover 0%
- 9Braunschweig 0%
- 14Hildesheim 0%
- 15Rinteln 0%
- 15Lüneburg 0%
- 15Lüchow 0%
- 18Wilhelmshaven 0%
- 19Salzgitter 0%
- 19Lemwerder 0%
- 21Göttingen 0%
- 22Oyten 0%
- 23Uslar 0%
- 24Duderstadt 0%
- 25Goslar 0%
- 26Braunlage 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 Lower Saxony, Germany, PM2.5, October 2025, smogrank.com/de/region/lower-saxony/history/2025-10 (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.