SmogRank / Countries / Italy / January 2026
Most polluted cities in Italy, January 2026
1 city in Italy ranked by their average PM2.5 over the 31 days. Worst: Gorizia at 22.0 µg/m³, #236 of 2,041 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1GoriziaFriuli Venezia Giulia 22.0
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, January 2026 · Italy now
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SmogRank, most polluted cities in Italy, PM2.5, January 2026, smogrank.com/it/history/2026-01 (accessed 2 Oct 2026).
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