SmogRank / World / Greece / May 2025

Most polluted cities in Greece, May 2025

4 cities in Greece ranked by their average PM2.5 over the 31 days. Worst: Athens at 10.5 µg/m³, #474 of 2,187 cities in the world. Cleanest: Asprópyrgos at 9.3. A city needs measurements on 70% of the days to be ranked.

← Athens 10.5
Every city in Greece ranked for May 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1AthensAttica
    10.5
  2. 2KhalándrionAttica
    9.7
  3. 3AcharnésAttica
    9.5
  4. 4AsprópyrgosAttica
    9.3
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, May 2025 · Greece now

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SmogRank, most polluted cities in Greece, PM2.5, May 2025, smogrank.com/gr/history/2025-05 (accessed 2 Oct 2026).

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