SmogRank / World / France / 2026

Most polluted cities in France, 2026

100 cities in France ranked by their average PM2.5 so far (273 of 365 days); 100 above the WHO annual guideline (5.0 µg/m³). Worst: Dunkirk at 10.8 µg/m³, #805 of 2,452 cities in the world. Cleanest: Aurillac at 5.4. A city needs measurements on 70% of the days to be ranked.

← Dunkirk 10.8 µg/m³ 10 µg/m³5 WHO annual guideline0
Every city in France ranked for 2026, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1DunkirkHauts-de-France
    542.2×
  2. 2RoubaixHauts-de-France
    542.1×
  3. 2CalaisHauts-de-France
    542.1×
  4. 4NiceProvence-Alpes-Côte d'Azur
    542.1×
  5. 5LunévilleGrand Est
    532.1×
  6. 6ValenciennesHauts-de-France
    532.0×
  7. 6StrasbourgGrand Est
    532.0×
  8. 8NancyGrand Est
    522.0×
  9. 8Boulogne-sur-MerHauts-de-France
    522.0×
  10. 10ThionvilleGrand Est
    522.0×
  11. 10MulhouseGrand Est
    522.0×
  12. 12LilleHauts-de-France
    521.9×
  13. 12DenainHauts-de-France
    521.9×
  14. 12BéthuneHauts-de-France
    521.9×
  15. 15ParisÎle-de-France
    521.9×
  16. 16CannesProvence-Alpes-Côte d'Azur
    511.9×
  17. 17Romans-sur-IsèreAuvergne-Rhône-Alpes
    511.8×
  18. 17LyonAuvergne-Rhône-Alpes
    511.8×
  19. 17Le HavreNormandy
    511.8×
  20. 20CoulommiersÎle-de-France
    501.8×
  21. 20BordeauxNew Aquitaine
    501.8×
  22. 20AmiensHauts-de-France
    501.8×
  23. 23Saint-AvoldGrand Est
    491.8×
  24. 23RouenNormandy
    491.8×
  25. 23MarignaneProvence-Alpes-Côte d'Azur
    491.8×
  26. 23ArlesProvence-Alpes-Côte d'Azur
    491.8×
  27. 27MarseilleProvence-Alpes-Côte d'Azur
    491.8×
  28. 27DouaiHauts-de-France
    491.8×
  29. 27BeauvaisHauts-de-France
    491.8×
  30. 27AvignonProvence-Alpes-Côte d'Azur
    491.8×
  31. 31Saint-QuentinHauts-de-France
    481.7×
  32. 31MontbéliardBourgogne-Franche-Comté
    481.7×
  33. 31GrenobleAuvergne-Rhône-Alpes
    481.7×
  34. 34ReimsGrand Est
    471.7×
  35. 34LormontNew Aquitaine
    471.7×
  36. 34DieppeNormandy
    471.7×
  37. 37MetzGrand Est
    461.7×
  38. 37AnnemasseAuvergne-Rhône-Alpes
    461.7×
  39. 39MeyzieuAuvergne-Rhône-Alpes
    461.6×
  40. 39MeylanAuvergne-Rhône-Alpes
    461.6×
  41. 39LouviersNormandy
    461.6×
  42. 39CreilHauts-de-France
    461.6×
  43. 43TarbesOccitanie
    451.6×
  44. 43RennesBrittany
    451.6×
  45. 43OrléansCentre-Val de Loire
    451.6×
  46. 46ToulouseOccitanie
    441.6×
  47. 46PerpignanOccitanie
    441.6×
  48. 46NîmesOccitanie
    441.6×
  49. 46MontivilliersNormandy
    441.6×
  50. 46Mont-de-MarsanNew Aquitaine
    441.6×
  51. 46CherbourgNormandy
    441.6×
  52. 52PoitiersNew Aquitaine
    441.6×
  53. 52ChartresCentre-Val de Loire
    441.6×
  54. 52CastresOccitanie
    441.6×
  55. 52BrestBrittany
    441.6×
  56. 56Villefranche-sur-SaôneAuvergne-Rhône-Alpes
    431.6×
  57. 56Aix-en-ProvenceProvence-Alpes-Côte d'Azur
    431.6×
  58. 58VannesBrittany
    431.5×
  59. 58ValenceAuvergne-Rhône-Alpes
    431.5×
  60. 58DreuxCentre-Val de Loire
    431.5×
  61. 58DoleBourgogne-Franche-Comté
    431.5×
  62. 62RambouilletÎle-de-France
    421.5×
  63. 62MontargisCentre-Val de Loire
    421.5×
  64. 62ÉpinalGrand Est
    421.5×
  65. 62Bourg-en-BresseAuvergne-Rhône-Alpes
    421.5×
  66. 62BastiaCorsica
    421.5×
  67. 67VillefontaineAuvergne-Rhône-Alpes
    421.5×
  68. 67Salon-de-ProvenceProvence-Alpes-Côte d'Azur
    421.5×
  69. 67PauNew Aquitaine
    421.5×
  70. 67LorientBrittany
    421.5×
  71. 67ÉvreuxNormandy
    421.5×
  72. 67CaenNormandy
    421.5×
  73. 67AlbertvilleAuvergne-Rhône-Alpes
    421.5×
  74. 74Saint-ÉtienneAuvergne-Rhône-Alpes
    411.5×
  75. 75QuimperBrittany
    411.5×
  76. 75MoulinsAuvergne-Rhône-Alpes
    411.5×
  77. 75LimogesNew Aquitaine
    411.5×
  78. 75AuxerreBourgogne-Franche-Comté
    411.5×
  79. 79PérigueuxNew Aquitaine
    401.4×
  80. 80ToursCentre-Val de Loire
    391.4×
  81. 80Saint-DizierGrand Est
    391.4×
  82. 80Joué-lès-ToursCentre-Val de Loire
    391.4×
  83. 80AlençonNormandy
    391.4×
  84. 84LourdesOccitanie
    391.4×
  85. 84DomontÎle-de-France
    391.4×
  86. 84BourgesCentre-Val de Loire
    391.4×
  87. 87NeversBourgogne-Franche-Comté
    381.4×
  88. 87ChambéryAuvergne-Rhône-Alpes
    381.4×
  89. 87BloisCentre-Val de Loire
    381.4×
  90. 90OlivetCentre-Val de Loire
    381.4×
  91. 90FontainebleauÎle-de-France
    381.4×
  92. 90ÉtampesÎle-de-France
    381.4×
  93. 90ChâteaurouxCentre-Val de Loire
    381.4×
  94. 94RodezOccitanie
    371.3×
  95. 94AngoulêmeNew Aquitaine
    371.3×
  96. 96VichyAuvergne-Rhône-Alpes
    371.3×
  97. 97NiortNew Aquitaine
    361.3×
  98. 97MontluçonAuvergne-Rhône-Alpes
    361.3×
  99. 97Clermont-FerrandAuvergne-Rhône-Alpes
    361.3×
  100. 100AurillacAuvergne-Rhône-Alpes
    301.1×
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in France, PM2.5, 2026 (so far), smogrank.com/fr/history/2026 (accessed 2 Oct 2026).

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