SmogRank / Countries / Switzerland / May 2024

Most polluted cities in Switzerland, May 2024

5 cities in Switzerland ranked by their average PM2.5 over the 31 days. Worst: Lugano at 4.5 µg/m³, #1,853 of 2,082 cities in the world. Cleanest: Basel at 4.3. A city needs measurements on 70% of the days to be ranked.

  1. 1LuganoTicino
    4.5
  2. 1BernBern
    4.5
  3. 3BellinzonaTicino
    4.4
  4. 4ZürichZurich
    4.3
  5. 4BaselBasel-City
    4.3
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, May 2024 · Switzerland now