SmogRank / Countries / Italy / June 2026

Most polluted cities in Italy, June 2026

7 cities in Italy ranked by their average PM2.5 over the 30 days. Worst: Trento at 15.0 µg/m³, #209 of 1,918 cities in the world. Cleanest: Aosta at 8.5. A city needs measurements on 70% of the days to be ranked.

  1. 1TrentoTrentino-Alto Adige
    15.0
  2. 2RoveretoTrentino-Alto Adige
    12.6
  3. 3NaplesCampania
    11.5
  4. 4BolzanoTrentino-Alto Adige
    10.4
  5. 5MilanLombardy
    10.2
  6. 6VigevanoLombardy
    9.6
  7. 7AostaAosta Valley
    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, June 2026 · Italy now