SmogRank / World / Greece / January 2025

Most polluted cities in Greece, January 2025

5 cities in Greece ranked by their average PM2.5 over the 31 days. Worst: Thessaloníki at 34.4 µg/m³, #64 of 2,121 cities in the world. Cleanest: Khalándrion at 9.7. A city needs measurements on 70% of the days to be ranked.

← Thessaloníki 34.4
Every city in Greece ranked for January 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. 1ThessaloníkiCentral Macedonia
    50
  2. 2AsprópyrgosAttica
    30
  3. 3AcharnésAttica
    29
  4. 4PylaíaCentral Macedonia
    23
  5. 5KhalándrionAttica
    14
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, January 2025 · Greece now

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SmogRank, most polluted cities in Greece, PM2.5, January 2025, smogrank.com/gr/history/2025-01 (accessed 2 Oct 2026).

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