SmogRank / Countries / Greece / November 2025

Most polluted cities in Greece, November 2025

5 cities in Greece ranked by their average PM2.5 over the 30 days. Worst: Thessaloníki at 21.2 µg/m³, #260 of 2,173 cities in the world. Cleanest: Kozáni at 6.9. A city needs measurements on 70% of the days to be ranked.

  1. 1ThessaloníkiCentral Macedonia
    21.2
  2. 2AsprópyrgosAttica
    9.3
  3. 3AcharnésAttica
    9.0
  4. 4KhalándrionAttica
    8.1
  5. 5KozániWest Macedonia
    6.9
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, November 2025 · Greece now