SmogRank / Countries / France / August 2025
Most polluted cities in France, August 2025
39 cities in France ranked by their average PM2.5 over the 31 days. Worst: Perpignan at 10.7 µg/m³, #818 of 2,289 cities in the world. Cleanest: Domont at 5.5. A city needs measurements on 70% of the days to be ranked.
- 1PerpignanOccitanie 10.7
- 1MarseilleProvence-Alpes-Côte d'Azur 10.7
- 3ArlesProvence-Alpes-Côte d'Azur 10.4
- 4ToulouseOccitanie 10.3
- 5MarignaneProvence-Alpes-Côte d'Azur 9.7
- 6LourdesOccitanie 9.4
- 7TarbesOccitanie 9.3
- 8GrenobleAuvergne-Rhône-Alpes 9.0
- 9Aix-en-ProvenceProvence-Alpes-Côte d'Azur 8.9
- 10CastresOccitanie 8.6
- 10AvignonProvence-Alpes-Côte d'Azur 8.6
- 12Salon-de-ProvenceProvence-Alpes-Côte d'Azur 8.5
- 13ReimsGrand Est 8.4
- 13NîmesOccitanie 8.4
- 15RodezOccitanie 8.0
- 15ParisÎle-de-France 8.0
- 17Le HavreNormandy 7.9
- 18DenainHauts-de-France 7.8
- 19PoitiersNew Aquitaine 7.6
- 19DouaiHauts-de-France 7.6
- 21AngoulêmeNew Aquitaine 7.5
- 22RoubaixHauts-de-France 7.4
- 23ValenciennesHauts-de-France 7.3
- 23DunkirkHauts-de-France 7.3
- 23CalaisHauts-de-France 7.3
- 26Clermont-FerrandAuvergne-Rhône-Alpes 7.2
- 27Saint-AvoldGrand Est 7.1
- 27AurillacAuvergne-Rhône-Alpes 7.1
- 29CoulommiersÎle-de-France 7.0
- 30RambouilletÎle-de-France 6.9
- 30Boulogne-sur-MerHauts-de-France 6.9
- 32MontluçonAuvergne-Rhône-Alpes 6.7
- 33NiortNew Aquitaine 6.5
- 33MoulinsAuvergne-Rhône-Alpes 6.5
- 35Saint-DizierGrand Est 6.4
- 36ÉtampesÎle-de-France 6.3
- 37VichyAuvergne-Rhône-Alpes 6.2
- 38FontainebleauÎle-de-France 6.1
- 39DomontÎle-de-France 5.5
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+