SmogRank / Countries / Italy / August 2025

Most polluted cities in Italy, August 2025

19 cities in Italy ranked by their average PM2.5 over the 31 days. Worst: Ceglie Messapica at 49.3 µg/m³, #12 of 2,289 cities in the world. Cleanest: Gorizia at 8.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Ceglie MessapicaApulia
    49.3
  2. 2JesiThe Marches
    15.2
  3. 3AcerraCampania
    14.9
  4. 4TrentoTrentino-Alto Adige
    14.8
  5. 5Falconara MarittimaThe Marches
    14.6
  6. 6VigevanoLombardy
    14.0
  7. 6NaplesCampania
    14.0
  8. 8PaviaLombardy
    13.7
  9. 9BorgomaneroPiedmont
    13.1
  10. 10NichelinoPiedmont
    12.4
  11. 11RoveretoTrentino-Alto Adige
    12.0
  12. 11MilanLombardy
    12.0
  13. 13VercelliPiedmont
    11.9
  14. 14TurinPiedmont
    11.7
  15. 15BolzanoTrentino-Alto Adige
    11.3
  16. 16BiellaPiedmont
    9.3
  17. 17CapannoriTuscany
    9.2
  18. 18AostaAosta Valley
    9.1
  19. 19GoriziaFriuli Venezia Giulia
    8.5
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, August 2025 · Italy now