SmogRank / Countries / France / 2025
Most polluted cities in France, 2025
74 cities in France ranked by their average PM2.5 over the 365 days; 74 above the WHO annual guideline (5.0 µg/m³). Worst: Dunkirk at 11.7 µg/m³, #398 of 2,131 cities in the world. Cleanest: Aurillac at 5.1. A city needs measurements on 70% of the days to be ranked.
- 1DunkirkHauts-de-France 11.72.3×
- 2DouaiHauts-de-France 11.22.2×
- 3StrasbourgGrand Est 11.02.2×
- 3MulhouseGrand Est 11.02.2×
- 5Romans-sur-IsèreAuvergne-Rhône-Alpes 10.82.2×
- 5DenainHauts-de-France 10.82.2×
- 5AmiensHauts-de-France 10.82.2×
- 8Le HavreNormandy 10.72.1×
- 8CreilHauts-de-France 10.72.1×
- 8Boulogne-sur-MerHauts-de-France 10.72.1×
- 11ReimsGrand Est 10.62.1×
- 12ParisÎle-de-France 10.52.1×
- 12CoulommiersÎle-de-France 10.52.1×
- 14NancyGrand Est 10.42.1×
- 15MontbéliardBourgogne-Franche-Comté 10.32.1×
- 15CalaisHauts-de-France 10.32.1×
- 17ValenciennesHauts-de-France 10.22.0×
- 17ArlesProvence-Alpes-Côte d'Azur 10.22.0×
- 19AnnemasseAuvergne-Rhône-Alpes 10.12.0×
- 20RouenNormandy 10.02.0×
- 20GrenobleAuvergne-Rhône-Alpes 10.02.0×
- 22Saint-QuentinHauts-de-France 9.82.0×
- 22MeylanAuvergne-Rhône-Alpes 9.82.0×
- 22LunévilleGrand Est 9.82.0×
- 25LyonAuvergne-Rhône-Alpes 9.71.9×
- 26MarignaneProvence-Alpes-Côte d'Azur 9.61.9×
- 26AvignonProvence-Alpes-Côte d'Azur 9.61.9×
- 28ÉpinalGrand Est 9.51.9×
- 29ThionvilleGrand Est 9.41.9×
- 29MetzGrand Est 9.41.9×
- 31RennesBrittany 9.11.8×
- 31RambouilletÎle-de-France 9.11.8×
- 33CherbourgNormandy 9.01.8×
- 34Villefranche-sur-SaôneAuvergne-Rhône-Alpes 8.91.8×
- 34DieppeNormandy 8.91.8×
- 36VillefontaineAuvergne-Rhône-Alpes 8.81.8×
- 36LouviersNormandy 8.81.8×
- 36ÉvreuxNormandy 8.81.8×
- 39VannesBrittany 8.71.7×
- 39Saint-DizierGrand Est 8.71.7×
- 39LorientBrittany 8.71.7×
- 39ChartresCentre-Val de Loire 8.71.7×
- 43PoitiersNew Aquitaine 8.61.7×
- 44Saint-AvoldGrand Est 8.51.7×
- 44MarseilleProvence-Alpes-Côte d'Azur 8.51.7×
- 46Saint-ÉtienneAuvergne-Rhône-Alpes 8.41.7×
- 46CaenNormandy 8.41.7×
- 46BrestBrittany 8.41.7×
- 46AlbertvilleAuvergne-Rhône-Alpes 8.41.7×
- 50ToulouseOccitanie 8.31.7×
- 50LormontNew Aquitaine 8.31.7×
- 52AuxerreBourgogne-Franche-Comté 8.21.6×
- 52AlençonNormandy 8.21.6×
- 54NiceProvence-Alpes-Côte d'Azur 8.11.6×
- 54MoulinsAuvergne-Rhône-Alpes 8.11.6×
- 56Aix-en-ProvenceProvence-Alpes-Côte d'Azur 8.01.6×
- 57DomontÎle-de-France 7.91.6×
- 58QuimperBrittany 7.81.6×
- 58CannesProvence-Alpes-Côte d'Azur 7.81.6×
- 60Joué-lès-ToursCentre-Val de Loire 7.71.5×
- 60BloisCentre-Val de Loire 7.71.5×
- 62Salon-de-ProvenceProvence-Alpes-Côte d'Azur 7.61.5×
- 62MontargisCentre-Val de Loire 7.61.5×
- 64VichyAuvergne-Rhône-Alpes 7.51.5×
- 64ÉtampesÎle-de-France 7.51.5×
- 66PérigueuxNew Aquitaine 7.31.5×
- 66NiortNew Aquitaine 7.31.5×
- 68AngoulêmeNew Aquitaine 7.21.4×
- 69MontluçonAuvergne-Rhône-Alpes 7.11.4×
- 70LimogesNew Aquitaine 7.01.4×
- 70Clermont-FerrandAuvergne-Rhône-Alpes 7.01.4×
- 72FontainebleauÎle-de-France 6.31.3×
- 73BastiaCorsica 6.21.2×
- 74AurillacAuvergne-Rhône-Alpes 5.11.0×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+