SmogRank / World / Germany / Thuringia / July 2025

Most unhealthy days in Thuringia, Germany, July 2025

15 cities in Thuringia, Germany ranked by their share of unhealthy days over the 31 days. The most unhealthy days: Altenburg, Germany, 0 of 31 measured days. 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.

← Altenburg 0% 0.75%0
Every city in Thuringia, Germany ranked for July 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. 1Altenburg
    0 of 31
  2. 2Bad Frankenhausen
    0 of 28
  3. 3Jena
    0 of 31
  4. 3Greiz
    0 of 31
  5. 5Suhl
    0 of 31
  6. 6Weimar
    0 of 31
  7. 6Nordhausen
    0 of 31
  8. 6Gera
    0 of 31
  9. 9Erfurt
    0 of 31
  10. 10Mühlhausen
    0 of 31
  11. 10Meiningen
    0 of 31
  12. 10Kahla
    0 of 31
  13. 13Neuhaus am Rennweg
    0 of 31
  14. 13Eisenach
    0 of 31
  15. 15Sondershausen
    0 of 28
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 Thuringia, Germany, by unhealthy days, PM2.5, July 2025, smogrank.com/de/region/thuringia/history/2025-07?by=days (accessed 7 Oct 2026).

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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.