SmogRank / Countries / France / April 2026

Most polluted cities in France, April 2026

99 cities in France ranked by their average PM2.5 over the 30 days. Worst: Roubaix at 10.8 µg/m³, #471 of 2,283 cities in the world. Cleanest: Aurillac at 4.0. A city needs measurements on 70% of the days to be ranked.

  1. 1RoubaixHauts-de-France
    10.8
  2. 2DunkirkHauts-de-France
    10.3
  3. 2CalaisHauts-de-France
    10.3
  4. 4DouaiHauts-de-France
    9.7
  5. 5ValenciennesHauts-de-France
    9.4
  6. 5LilleHauts-de-France
    9.4
  7. 5DenainHauts-de-France
    9.4
  8. 5Boulogne-sur-MerHauts-de-France
    9.4
  9. 9NiceProvence-Alpes-Côte d'Azur
    9.3
  10. 10AmiensHauts-de-France
    9.0
  11. 11CherbourgNormandy
    8.7
  12. 12ParisÎle-de-France
    8.6
  13. 12Le HavreNormandy
    8.6
  14. 14CannesProvence-Alpes-Côte d'Azur
    8.5
  15. 15MarseilleProvence-Alpes-Côte d'Azur
    8.3
  16. 15DieppeNormandy
    8.3
  17. 15BrestBrittany
    8.3
  18. 18NancyGrand Est
    8.2
  19. 19LunévilleGrand Est
    8.1
  20. 19CoulommiersÎle-de-France
    8.1
  21. 21Saint-QuentinHauts-de-France
    8.0
  22. 22MarignaneProvence-Alpes-Côte d'Azur
    7.9
  23. 23ReimsGrand Est
    7.8
  24. 23MulhouseGrand Est
    7.8
  25. 23MontivilliersNormandy
    7.8
  26. 23ArlesProvence-Alpes-Côte d'Azur
    7.8
  27. 27BeauvaisHauts-de-France
    7.7
  28. 28RennesBrittany
    7.6
  29. 28CreilHauts-de-France
    7.6
  30. 30RouenNormandy
    7.5
  31. 30LyonAuvergne-Rhône-Alpes
    7.5
  32. 32QuimperBrittany
    7.4
  33. 33StrasbourgGrand Est
    7.2
  34. 33Romans-sur-IsèreAuvergne-Rhône-Alpes
    7.2
  35. 33DreuxCentre-Val de Loire
    7.2
  36. 33CaenNormandy
    7.2
  37. 37LorientBrittany
    7.0
  38. 37BordeauxNew Aquitaine
    7.0
  39. 39VannesBrittany
    6.8
  40. 39ToulouseOccitanie
    6.8
  41. 39AvignonProvence-Alpes-Côte d'Azur
    6.8
  42. 42Saint-DizierGrand Est
    6.7
  43. 42LouviersNormandy
    6.7
  44. 44TarbesOccitanie
    6.6
  45. 44Saint-ÉtienneAuvergne-Rhône-Alpes
    6.6
  46. 44LourdesOccitanie
    6.6
  47. 44LormontNew Aquitaine
    6.6
  48. 48ChartresCentre-Val de Loire
    6.5
  49. 48Bourg-en-BresseAuvergne-Rhône-Alpes
    6.5
  50. 48BastiaCorsica
    6.5
  51. 48Aix-en-ProvenceProvence-Alpes-Côte d'Azur
    6.5
  52. 52Salon-de-ProvenceProvence-Alpes-Côte d'Azur
    6.4
  53. 52PauNew Aquitaine
    6.4
  54. 52OrléansCentre-Val de Loire
    6.4
  55. 52MontargisCentre-Val de Loire
    6.4
  56. 56RambouilletÎle-de-France
    6.3
  57. 56MeyzieuAuvergne-Rhône-Alpes
    6.3
  58. 56ÉvreuxNormandy
    6.3
  59. 59ÉpinalGrand Est
    6.2
  60. 59DoleBourgogne-Franche-Comté
    6.2
  61. 59AnnemasseAuvergne-Rhône-Alpes
    6.2
  62. 62ValenceAuvergne-Rhône-Alpes
    6.1
  63. 62Saint-AvoldGrand Est
    6.1
  64. 62MontbéliardBourgogne-Franche-Comté
    6.1
  65. 62AuxerreBourgogne-Franche-Comté
    6.1
  66. 66Mont-de-MarsanNew Aquitaine
    6.0
  67. 66GrenobleAuvergne-Rhône-Alpes
    6.0
  68. 68Villefranche-sur-SaôneAuvergne-Rhône-Alpes
    5.9
  69. 68PoitiersNew Aquitaine
    5.9
  70. 68NîmesOccitanie
    5.9
  71. 68LimogesNew Aquitaine
    5.9
  72. 72VichyAuvergne-Rhône-Alpes
    5.8
  73. 72MontaubanOccitanie
    5.8
  74. 72DomontÎle-de-France
    5.8
  75. 75RodezOccitanie
    5.7
  76. 75MoulinsAuvergne-Rhône-Alpes
    5.7
  77. 75Clermont-FerrandAuvergne-Rhône-Alpes
    5.7
  78. 75BourgesCentre-Val de Loire
    5.7
  79. 75AlençonNormandy
    5.7
  80. 75AlbertvilleAuvergne-Rhône-Alpes
    5.7
  81. 81PerpignanOccitanie
    5.6
  82. 81NeversBourgogne-Franche-Comté
    5.6
  83. 83VillefontaineAuvergne-Rhône-Alpes
    5.5
  84. 83FontainebleauÎle-de-France
    5.5
  85. 85CastresOccitanie
    5.4
  86. 85BloisCentre-Val de Loire
    5.4
  87. 87MeylanAuvergne-Rhône-Alpes
    5.3
  88. 87MetzGrand Est
    5.3
  89. 87ChâteaurouxCentre-Val de Loire
    5.3
  90. 87AngoulêmeNew Aquitaine
    5.3
  91. 91ToursCentre-Val de Loire
    5.2
  92. 91OlivetCentre-Val de Loire
    5.2
  93. 91NiortNew Aquitaine
    5.2
  94. 91ÉtampesÎle-de-France
    5.2
  95. 95Joué-lès-ToursCentre-Val de Loire
    5.1
  96. 96MontluçonAuvergne-Rhône-Alpes
    5.0
  97. 97PérigueuxNew Aquitaine
    4.9
  98. 97ChambéryAuvergne-Rhône-Alpes
    4.9
  99. 99AurillacAuvergne-Rhône-Alpes
    4.0
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, April 2026 · France now

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SmogRank, most polluted cities in France, PM2.5, April 2026, smogrank.com/fr/history/2026-04 (accessed 2 Oct 2026).

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