SmogRank / Countries / Greece / September 2023

Most polluted cities in Greece, September 2023

7 cities in Greece ranked by their average PM2.5 over the 30 days. Worst: Athens at 16.6 µg/m³, #80 of 1,830 cities in the world. Cleanest: Pylaía at 10.7. A city needs measurements on 70% of the days to be ranked.

  1. 1AthensAttica
    16.6
  2. 1AsprópyrgosAttica
    16.6
  3. 3ThessaloníkiCentral Macedonia
    14.8
  4. 4AcharnésAttica
    13.9
  5. 5KhalándrionAttica
    12.8
  6. 6PiraeusAttica
    12.5
  7. 7PylaíaCentral Macedonia
    10.7
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 2023 · Greece now

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SmogRank, most polluted cities in Greece, PM2.5, September 2023, smogrank.com/gr/history/2023-09 (accessed 2 Oct 2026).

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