SmogRank / World / Germany / Lower Saxony / January 2026

Most polluted cities in Lower Saxony, Germany, January 2026

27 cities in Lower Saxony, Germany ranked by their average PM2.5 over the 31 days. Worst: Hildesheim at 22.6 µg/m³, #321 of 2,593 cities in the world. Cleanest: Braunlage at 4.4. 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 January 2026, 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. 2Salzgitter
    19%
  3. 3Braunschweig
    18%
  4. 4Hannover
    18%
  5. 5Duderstadt
    18%
  6. 6Oldenburg
    14%
  7. 7Wolfsburg
    14%
  8. 7Bösel
    14%
  9. 9Walsrode
    14%
  10. 10Wittingen
    14%
  11. 11Lüneburg
    14%
  12. 11Lüchow
    14%
  13. 13Jork
    14%
  14. 14Emden
    14%
  15. 15Norderney
    14%
  16. 16Wilhelmshaven
    14%
  17. 17Rinteln
    11%
  18. 18Ritterhude
    11%
  19. 18Osnabrück
    11%
  20. 20Oyten
    11%
  21. 21Otterndorf
    11%
  22. 21Göttingen
    11%
  23. 23Lemwerder
    11%
  24. 24Lingen
    7%
  25. 25Goslar
    7%
  26. 26Uslar
    7%
  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, January 2026, smogrank.com/de/region/lower-saxony/history/2026-01 (accessed 7 Oct 2026).

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