SmogRank / World / Germany / Lower Saxony / November 2025

Most polluted cities in Lower Saxony, Germany, November 2025

27 cities in Lower Saxony, Germany ranked by their average PM2.5 over the 30 days. Worst: Norderney at 10.3 µg/m³, #951 of 2,662 cities in the world. Cleanest: Braunlage at 2.8. 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.

← Norderney 5% 4%0

Every city in Lower Saxony, Germany ranked for November 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.

1Norderney
5%
2Oldenburg
0%
3Bösel
0%
4Walsrode
0%
5Osnabrück
0%
6Ritterhude
0%
7Wolfsburg
0%
7Rinteln
0%
7Oyten
0%
7Lemwerder
0%
11Jork
0%
11Hildesheim
0%
11Göttingen
0%
11Emden
0%
11Braunschweig
0%
16Hannover
0%
17Lingen
0%
18Otterndorf
0%
18Lüneburg
0%
20Lüchow
0%
21Duderstadt
0%
22Wittingen
0%
23Wilhelmshaven
0%
24Salzgitter
0%
25Uslar
0%
26Goslar
0%
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

All cities in the world, November 2025 · All cities in Germany, November 2025 · Lower Saxony now

Use this board

SmogRank, most polluted cities in Lower Saxony, Germany, PM2.5, November 2025, smogrank.com/de/region/lower-saxony/history/2025-11 (accessed 7 Oct 2026).

Download top 10 (PNG)

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.