SmogRank / World / Switzerland / November 2023

Most polluted cities in Switzerland, November 2023

5 cities in Switzerland ranked by their average PM2.5 over the 30 days. Worst: Bellinzona at 6.1 µg/m³, #1,455 of 1,891 cities in the world. Cleanest: Zürich at 3.2. A city needs measurements on 70% of the days to be ranked.

← Bellinzona 6.1
Every city in Switzerland ranked for November 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1BellinzonaTicino
    6.1
  2. 2LuganoTicino
    5.1
  3. 3BernBern
    4.6
  4. 4BaselBasel-City
    4.2
  5. 5ZürichZurich
    3.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, November 2023 · Switzerland now

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SmogRank, most polluted cities in Switzerland, PM2.5, November 2023, smogrank.com/ch/history/2023-11 (accessed 2 Oct 2026).

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