SmogRank / World / Germany / Lower Saxony / February 2025

Most polluted cities in Lower Saxony, Germany, February 2025

27 cities in Lower Saxony, Germany ranked by their average PM2.5 over the 28 days. Worst: Walsrode at 22.4 µg/m³, #390 of 2,574 cities in the world. Cleanest: Braunlage at 8.8. 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.

← Hildesheim 21% 20%0
Every city in Lower Saxony, Germany ranked for February 2025, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Hildesheim
    21%
  2. 2Walsrode
    17%
  3. 3Oldenburg
    17%
  4. 4Bösel
    17%
  5. 5Osnabrück
    17%
  6. 5Göttingen
    17%
  7. 7Duderstadt
    17%
  8. 8Hannover
    13%
  9. 9Salzgitter
    13%
  10. 10Lingen
    13%
  11. 11Goslar
    13%
  12. 12Wittingen
    9%
  13. 13Lüchow
    9%
  14. 14Braunschweig
    8%
  15. 15Wolfsburg
    8%
  16. 16Oyten
    8%
  17. 17Rinteln
    8%
  18. 18Lüneburg
    8%
  19. 19Uslar
    8%
  20. 20Ritterhude
    4%
  21. 21Jork
    4%
  22. 22Emden
    0%
  23. 23Lemwerder
    0%
  24. 24Norderney
    0%
  25. 25Wilhelmshaven
    0%
  26. 26Otterndorf
    0%
  27. 27Braunlage
    0%
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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, February 2025, smogrank.com/de/region/lower-saxony/history/2025-02 (accessed 6 Oct 2026).

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