SmogRank / Countries / France / May 2025

Most polluted cities in France, May 2025

13 cities in France ranked by their average PM2.5 over the 31 days. Worst: Le Havre at 8.7 µg/m³, #823 of 2,193 cities in the world. Cleanest: Salon-de-Provence at 4.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Le HavreNormandy
    8.7
  2. 2ParisÎle-de-France
    8.3
  3. 3Aix-en-ProvenceProvence-Alpes-Côte d'Azur
    7.5
  4. 4MetzGrand Est
    6.7
  5. 5ÉtampesÎle-de-France
    6.3
  6. 6Saint-AvoldGrand Est
    5.9
  7. 6FontainebleauÎle-de-France
    5.9
  8. 6DomontÎle-de-France
    5.9
  9. 9MarseilleProvence-Alpes-Côte d'Azur
    5.7
  10. 9ArlesProvence-Alpes-Côte d'Azur
    5.7
  11. 11MarignaneProvence-Alpes-Côte d'Azur
    5.2
  12. 12AvignonProvence-Alpes-Côte d'Azur
    5.1
  13. 13Salon-de-ProvenceProvence-Alpes-Côte d'Azur
    4.5
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 · France now