SmogRank / World / Germany / Lower Saxony / 2026

Most polluted cities in Lower Saxony, Germany, 2026

27 cities in Lower Saxony, Germany ranked by their average PM2.5 so far (278 of 365 days); 27 above the WHO annual guideline (5.0 µg/m³). Worst: Oldenburg at 11.8 µg/m³, #740 of 2,745 cities in the world. Cleanest: Braunlage at 5.4. 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.

← Oldenburg 4% 4%0

Every city in Lower Saxony, Germany ranked for 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.

1Oldenburg
4%
2Bösel
4%
3Hannover
4%
4Braunschweig
3%
5Hildesheim
3%
6Salzgitter
3%
7Wolfsburg
3%
8Emden
3%
9Walsrode
3%
10Lüchow
3%
11Wittingen
2%
12Goslar
2%
13Duderstadt
2%
14Rinteln
2%
15Jork
2%
16Lüneburg
2%
17Osnabrück
2%
18Wilhelmshaven
2%
19Norderney
2%
20Lingen
2%
21Göttingen
2%
22Oyten
2%
23Otterndorf
1%
24Ritterhude
1%
25Lemwerder
1%
26Uslar
1%
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, 2026 (so far), smogrank.com/de/region/lower-saxony/history/2026 (accessed 6 Oct 2026).

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