SmogRank / World / Germany / Lower Saxony / March 2025
Most polluted cities in Lower Saxony, Germany, March 2025
27 cities in Lower Saxony, Germany ranked by their average PM2.5 over the 31 days. Worst: Oldenburg at 19.8 µg/m³, #589 of 2,809 cities in the world. Cleanest: Braunlage at 11.7. 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.
- 1Hildesheim 12%
- 2Oldenburg 12%
- 3Braunschweig 12%
- 4Norderney 12%
- 5Hannover 12%
- 6Salzgitter 12%
- 7Wolfsburg 8%
- 7Emden 8%
- 9Osnabrück 8%
- 10Wilhelmshaven 8%
- 11Wittingen 8%
- 11Göttingen 8%
- 13Lüchow 8%
- 14Duderstadt 4%
- 15Oyten 4%
- 16Bösel 4%
- 17Jork 4%
- 18Otterndorf 4%
- 19Walsrode 4%
- 20Lüneburg 4%
- 21Ritterhude 4%
- 22Rinteln 4%
- 23Lingen 4%
- 24Goslar 4%
- 25Uslar 4%
- 26Lemwerder 0%
- 27Braunlage 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, March 2025, smogrank.com/de/region/lower-saxony/history/2025-03 (accessed 6 Oct 2026).
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