SmogRank / World / France / October 2026

Most polluted cities in France, October 2026

91 cities in France ranked by their average PM2.5 so far (1 of 31 days). Worst: Arles at 14.7 µg/m³, #230 of 1,630 cities in the world. Cleanest: Lourdes at 2.2. A city needs measurements on 70% of the days to be ranked.

← Arles 14.7 µg/m³ 20 µg/m³0
Every city in France ranked for October 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. 1ArlesProvence-Alpes-Côte d'Azur
    61
  2. 2NiceProvence-Alpes-Côte d'Azur
    60
  3. 3NîmesOccitanie
    57
  4. 4CannesProvence-Alpes-Côte d'Azur
    55
  5. 5AvignonProvence-Alpes-Côte d'Azur
    54
  6. 6MarignaneProvence-Alpes-Côte d'Azur
    52
  7. 7MarseilleProvence-Alpes-Côte d'Azur
    52
  8. 8Aix-en-ProvenceProvence-Alpes-Côte d'Azur
    52
  9. 9StrasbourgGrand Est
    51
  10. 9Romans-sur-IsèreAuvergne-Rhône-Alpes
    51
  11. 11AnnemasseAuvergne-Rhône-Alpes
    49
  12. 12ValenceAuvergne-Rhône-Alpes
    44
  13. 12ReimsGrand Est
    44
  14. 14ThionvilleGrand Est
    42
  15. 15Villefranche-sur-SaôneAuvergne-Rhône-Alpes
    41
  16. 15ValenciennesHauts-de-France
    41
  17. 15GrenobleAuvergne-Rhône-Alpes
    41
  18. 18LyonAuvergne-Rhône-Alpes
    38
  19. 19ChambéryAuvergne-Rhône-Alpes
    37
  20. 20NancyGrand Est
    36
  21. 21LunévilleGrand Est
    36
  22. 21BrestBrittany
    36
  23. 23MetzGrand Est
    35
  24. 23AlbertvilleAuvergne-Rhône-Alpes
    35
  25. 25VillefontaineAuvergne-Rhône-Alpes
    33
  26. 25MeyzieuAuvergne-Rhône-Alpes
    33
  27. 27Saint-QuentinHauts-de-France
    33
  28. 27DoleBourgogne-Franche-Comté
    33
  29. 29Saint-DizierGrand Est
    32
  30. 30DenainHauts-de-France
    31
  31. 31RoubaixHauts-de-France
    30
  32. 31Bourg-en-BresseAuvergne-Rhône-Alpes
    30
  33. 33BastiaCorsica
    29
  34. 34RouenNormandy
    29
  35. 34ParisÎle-de-France
    29
  36. 34MontivilliersNormandy
    29
  37. 34DunkirkHauts-de-France
    29
  38. 34CreilHauts-de-France
    29
  39. 34CoulommiersÎle-de-France
    29
  40. 40AjaccioCorsica
    28
  41. 41RennesBrittany
    28
  42. 41MeylanAuvergne-Rhône-Alpes
    28
  43. 41Le HavreNormandy
    28
  44. 41DouaiHauts-de-France
    28
  45. 41CherbourgNormandy
    28
  46. 46ÉpinalGrand Est
    27
  47. 46CaenNormandy
    27
  48. 48LorientBrittany
    27
  49. 48LilleHauts-de-France
    27
  50. 50OlivetCentre-Val de Loire
    26
  51. 50AlbiOccitanie
    26
  52. 52VannesBrittany
    26
  53. 52Saint-ÉtienneAuvergne-Rhône-Alpes
    26
  54. 52MontbéliardBourgogne-Franche-Comté
    26
  55. 52MontargisCentre-Val de Loire
    26
  56. 52LormontNew Aquitaine
    26
  57. 57ChartresCentre-Val de Loire
    25
  58. 57Boulogne-sur-MerHauts-de-France
    25
  59. 59MontluçonAuvergne-Rhône-Alpes
    24
  60. 59LouviersNormandy
    24
  61. 59ChâteaurouxCentre-Val de Loire
    24
  62. 62DieppeNormandy
    24
  63. 62CalaisHauts-de-France
    24
  64. 62BordeauxNew Aquitaine
    24
  65. 62AngoulêmeNew Aquitaine
    24
  66. 66RambouilletÎle-de-France
    23
  67. 66QuimperBrittany
    23
  68. 66ÉvreuxNormandy
    23
  69. 66AlençonNormandy
    23
  70. 70VichyAuvergne-Rhône-Alpes
    23
  71. 70Mont-de-MarsanNew Aquitaine
    23
  72. 70FontainebleauÎle-de-France
    23
  73. 70DomontÎle-de-France
    23
  74. 70BourgesCentre-Val de Loire
    23
  75. 70AuxerreBourgogne-Franche-Comté
    23
  76. 76ToulouseOccitanie
    22
  77. 76ÉtampesÎle-de-France
    22
  78. 78LimogesNew Aquitaine
    22
  79. 78Joué-lès-ToursCentre-Val de Loire
    22
  80. 78BloisCentre-Val de Loire
    22
  81. 78ArrasHauts-de-France
    22
  82. 82PérigueuxNew Aquitaine
    21
  83. 82NiortNew Aquitaine
    21
  84. 82NeversBourgogne-Franche-Comté
    21
  85. 85CastresOccitanie
    20
  86. 86ToursCentre-Val de Loire
    19
  87. 86PerpignanOccitanie
    19
  88. 86Clermont-FerrandAuvergne-Rhône-Alpes
    19
  89. 89MoulinsAuvergne-Rhône-Alpes
    18
  90. 90PauNew Aquitaine
    16
  91. 91LourdesOccitanie
    12
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

All cities in the world, October 2026 · France now

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SmogRank, most polluted cities in France, PM2.5, October 2026 (so far), smogrank.com/fr/history/2026-10 (accessed 2 Oct 2026).

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