SmogRank / Countries / Greece / August 2025
Most polluted cities in Greece, August 2025
7 cities in Greece ranked by their average PM2.5 over the 31 days. Worst: Pátra at 11.3 µg/m³, #712 of 2,289 cities in the world. Cleanest: Pylaía at 6.8. A city needs measurements on 70% of the days to be ranked.
- 1PátraWest Greece 11.3
- 2AcharnésAttica 10.7
- 3KhalándrionAttica 9.9
- 4ThessaloníkiCentral Macedonia 9.6
- 5AsprópyrgosAttica 8.3
- 6AthensAttica 8.1
- 7PylaíaCentral Macedonia 6.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+