SmogRank / Countries / Italy / August 2026

Most polluted cities in Italy, August 2026

24 cities in Italy ranked by their average PM2.5 over the 31 days. Worst: Acerra at 19.2 µg/m³, #164 of 2,309 cities in the world. Cleanest: Gorizia at 8.2. A city needs measurements on 70% of the days to be ranked.

  1. 1AcerraCampania
    19.2
  2. 2MariglianoCampania
    18.8
  3. 3Cava Dè TirreniCampania
    17.4
  4. 4Nocera InferioreCampania
    16.2
  5. 5AnconaThe Marches
    16.1
  6. 6CasertaCampania
    15.9
  7. 7San Felice A CancelloCampania
    15.7
  8. 8BorgomaneroPiedmont
    15.0
  9. 9BeneventoCampania
    14.7
  10. 10NaplesCampania
    14.2
  11. 10BraPiedmont
    14.2
  12. 12VerbaniaPiedmont
    13.8
  13. 13NichelinoPiedmont
    13.5
  14. 14AvellinoCampania
    13.4
  15. 15NovaraPiedmont
    13.2
  16. 16SalernoCampania
    12.5
  17. 17TurinPiedmont
    11.7
  18. 17RoveretoTrentino-Alto Adige
    11.7
  19. 19AlessandriaPiedmont
    11.4
  20. 20BiellaPiedmont
    11.3
  21. 21TrentoTrentino-Alto Adige
    11.1
  22. 22AostaAosta Valley
    9.8
  23. 23BolzanoTrentino-Alto Adige
    9.5
  24. 24GoriziaFriuli Venezia Giulia
    8.2
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, August 2026 · Italy now

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SmogRank, most polluted cities in Italy, PM2.5, August 2026, smogrank.com/it/history/2026-08 (accessed 2 Oct 2026).

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