SmogRank / World / Germany / Schleswig-Holstein / August 2025

Most polluted cities in Schleswig-Holstein, Germany, August 2025

7 cities in Schleswig-Holstein, Germany ranked by their average PM2.5 over the 31 days. Worst: Halstenbek at 6.3 µg/m³, #2,379 of 2,841 cities in the world. Cleanest: Lübeck at 4.5. 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.

← Halstenbek 0% 0.75%0
Every city in Schleswig-Holstein, Germany ranked for August 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. 1Halstenbek
    0%
  2. 2Flensburg
    0%
  3. 3Lauenburg
    0%
  4. 4Itzehoe
    0%
  5. 5Tarp
    0%
  6. 6Kiel
    0%
  7. 7Lübeck
    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, August 2025 · All cities in Germany, August 2025 · Schleswig-Holstein now

Use this board

SmogRank, most polluted cities in Schleswig-Holstein, Germany, PM2.5, August 2025, smogrank.com/de/region/schleswig-holstein/history/2025-08 (accessed 6 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.