SmogRank / World / Italy / July 2026

Most polluted cities in Italy, July 2026

23 cities in Italy ranked by their average PM2.5 over the 31 days. Worst: Acerra at 15.4 µg/m³, #560 of 2,460 cities in the world. Cleanest: Gorizia at 7.0. A city needs measurements on 70% of the days to be ranked.

← Acerra 15.4
Every city in Italy ranked for July 2026, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1AcerraCampania
    63
  2. 2MariglianoCampania
    62
  3. 3BraPiedmont
    60
  4. 4NovaraPiedmont
    60
  5. 5NichelinoPiedmont
    59
  6. 6CasertaCampania
    58
  7. 7San Felice A CancelloCampania
    58
  8. 8Nocera InferioreCampania
    57
  9. 9Cava Dè TirreniCampania
    57
  10. 10VercelliPiedmont
    57
  11. 11NaplesCampania
    57
  12. 11BeneventoCampania
    57
  13. 13TurinPiedmont
    56
  14. 14BorgomaneroPiedmont
    56
  15. 15RoveretoTrentino-Alto Adige
    56
  16. 16VerbaniaPiedmont
    55
  17. 17TrentoTrentino-Alto Adige
    54
  18. 18SalernoCampania
    54
  19. 19AvellinoCampania
    52
  20. 20BiellaPiedmont
    51
  21. 21BolzanoTrentino-Alto Adige
    48
  22. 22AostaAosta Valley
    47
  23. 23GoriziaFriuli Venezia Giulia
    39
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, July 2026 · Italy now

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SmogRank, most polluted cities in Italy, PM2.5, July 2026, smogrank.com/it/history/2026-07 (accessed 2 Oct 2026).

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