SmogRank / Countries / Greece / April 2026
Most polluted cities in Greece, April 2026
3 cities in Greece ranked by their average PM2.5 over the 30 days. Worst: Asprópyrgos at 10.5 µg/m³, #504 of 2,283 cities in the world. Cleanest: Khalándrion at 9.2. A city needs measurements on 70% of the days to be ranked.
- 1AsprópyrgosAttica 10.5
- 2AthensAttica 10.2
- 3KhalándrionAttica 9.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+