SmogRank / Countries / Switzerland / July 2023

Most polluted cities in Switzerland, July 2023

5 cities in Switzerland ranked by their average PM2.5 over the 31 days. Worst: Bellinzona at 7.8 µg/m³, #676 of 1,103 cities in the world. Cleanest: Basel at 6.0. A city needs measurements on 70% of the days to be ranked.

  1. 1BellinzonaTicino
    7.8
  2. 2LuganoTicino
    7.4
  3. 3BernBern
    7.2
  4. 4ZürichZurich
    6.8
  5. 5BaselBasel-City
    6.0
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, July 2023 · Switzerland now