SmogRank / Countries / Greece / September 2026

Most polluted cities in Greece, September 2026

3 cities in Greece ranked by their average PM2.5 over the 30 days. Worst: Acharnés at 9.3 µg/m³, #455 of 2,332 cities in the world. Cleanest: Volos at 7.4. A city needs measurements on 70% of the days to be ranked.

  1. 1AcharnésAttica
    9.3
  2. 2KozániWest Macedonia
    7.9
  3. 3VolosThessaly
    7.4
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, September 2026 · Greece now