SmogRank / Countries / France / March 2026

Most polluted cities in France, March 2026

100 cities in France ranked by their average PM2.5 over the 31 days. Worst: Calais at 20.1 µg/m³, #320 of 2,332 cities in the world. Cleanest: Aurillac at 5.8. A city needs measurements on 70% of the days to be ranked.

  1. 1CalaisHauts-de-France
    20.1
  2. 2RoubaixHauts-de-France
    19.0
  3. 3Boulogne-sur-MerHauts-de-France
    18.7
  4. 4DunkirkHauts-de-France
    18.5
  5. 4DenainHauts-de-France
    18.5
  6. 6Le HavreNormandy
    17.9
  7. 7BéthuneHauts-de-France
    17.8
  8. 7AmiensHauts-de-France
    17.8
  9. 9LunévilleGrand Est
    17.7
  10. 10ValenciennesHauts-de-France
    17.4
  11. 11LilleHauts-de-France
    17.3
  12. 11DieppeNormandy
    17.3
  13. 13DouaiHauts-de-France
    17.2
  14. 14BeauvaisHauts-de-France
    16.9
  15. 15CoulommiersÎle-de-France
    16.7
  16. 16RouenNormandy
    16.5
  17. 17ParisÎle-de-France
    16.4
  18. 17CreilHauts-de-France
    16.4
  19. 19MontivilliersNormandy
    16.1
  20. 20Saint-QuentinHauts-de-France
    15.6
  21. 21LouviersNormandy
    15.5
  22. 22StrasbourgGrand Est
    15.3
  23. 23NancyGrand Est
    15.0
  24. 24ChartresCentre-Val de Loire
    14.7
  25. 25ÉvreuxNormandy
    14.3
  26. 26MontbéliardBourgogne-Franche-Comté
    14.2
  27. 27RambouilletÎle-de-France
    14.1
  28. 27CaenNormandy
    14.1
  29. 29RennesBrittany
    14.0
  30. 29OrléansCentre-Val de Loire
    14.0
  31. 29DreuxCentre-Val de Loire
    14.0
  32. 32CherbourgNormandy
    13.6
  33. 33MontargisCentre-Val de Loire
    13.4
  34. 33DoleBourgogne-Franche-Comté
    13.4
  35. 35Saint-DizierGrand Est
    13.2
  36. 35Saint-AvoldGrand Est
    13.2
  37. 37LyonAuvergne-Rhône-Alpes
    13.0
  38. 37DomontÎle-de-France
    13.0
  39. 39AuxerreBourgogne-Franche-Comté
    12.7
  40. 40ReimsGrand Est
    12.6
  41. 41ÉtampesÎle-de-France
    12.5
  42. 41ÉpinalGrand Est
    12.5
  43. 43MulhouseGrand Est
    12.3
  44. 43AlençonNormandy
    12.3
  45. 45ToursCentre-Val de Loire
    12.2
  46. 45BloisCentre-Val de Loire
    12.2
  47. 47MeyzieuAuvergne-Rhône-Alpes
    12.1
  48. 47MetzGrand Est
    12.1
  49. 49ThionvilleGrand Est
    12.0
  50. 49Joué-lès-ToursCentre-Val de Loire
    12.0
  51. 51QuimperBrittany
    11.8
  52. 51BrestBrittany
    11.8
  53. 53Bourg-en-BresseAuvergne-Rhône-Alpes
    11.7
  54. 54Villefranche-sur-SaôneAuvergne-Rhône-Alpes
    11.6
  55. 54BourgesCentre-Val de Loire
    11.6
  56. 56ChâteaurouxCentre-Val de Loire
    11.5
  57. 57VannesBrittany
    11.4
  58. 57PoitiersNew Aquitaine
    11.4
  59. 57AnnemasseAuvergne-Rhône-Alpes
    11.4
  60. 60MoulinsAuvergne-Rhône-Alpes
    11.3
  61. 61Romans-sur-IsèreAuvergne-Rhône-Alpes
    10.9
  62. 61NeversBourgogne-Franche-Comté
    10.9
  63. 63LorientBrittany
    10.8
  64. 64ArlesProvence-Alpes-Côte d'Azur
    10.7
  65. 65PerpignanOccitanie
    10.5
  66. 65NiceProvence-Alpes-Côte d'Azur
    10.5
  67. 65FontainebleauÎle-de-France
    10.5
  68. 68Saint-ÉtienneAuvergne-Rhône-Alpes
    10.2
  69. 68OlivetCentre-Val de Loire
    10.2
  70. 70VillefontaineAuvergne-Rhône-Alpes
    9.9
  71. 70TarbesOccitanie
    9.9
  72. 70MarignaneProvence-Alpes-Côte d'Azur
    9.9
  73. 73BordeauxNew Aquitaine
    9.8
  74. 74AvignonProvence-Alpes-Côte d'Azur
    9.7
  75. 75LormontNew Aquitaine
    9.6
  76. 75CannesProvence-Alpes-Côte d'Azur
    9.6
  77. 77LimogesNew Aquitaine
    9.4
  78. 78ValenceAuvergne-Rhône-Alpes
    9.2
  79. 78NiortNew Aquitaine
    9.2
  80. 78GrenobleAuvergne-Rhône-Alpes
    9.2
  81. 81NîmesOccitanie
    9.1
  82. 82VichyAuvergne-Rhône-Alpes
    8.9
  83. 82MarseilleProvence-Alpes-Côte d'Azur
    8.9
  84. 84AlbertvilleAuvergne-Rhône-Alpes
    8.8
  85. 85ToulouseOccitanie
    8.7
  86. 85MeylanAuvergne-Rhône-Alpes
    8.7
  87. 85BastiaCorsica
    8.7
  88. 88PérigueuxNew Aquitaine
    8.6
  89. 88PauNew Aquitaine
    8.6
  90. 90Mont-de-MarsanNew Aquitaine
    8.5
  91. 90ChambéryAuvergne-Rhône-Alpes
    8.5
  92. 92MontluçonAuvergne-Rhône-Alpes
    8.4
  93. 93LourdesOccitanie
    8.2
  94. 94Clermont-FerrandAuvergne-Rhône-Alpes
    8.1
  95. 95Salon-de-ProvenceProvence-Alpes-Côte d'Azur
    7.8
  96. 95Aix-en-ProvenceProvence-Alpes-Côte d'Azur
    7.8
  97. 97AngoulêmeNew Aquitaine
    7.7
  98. 98CastresOccitanie
    7.4
  99. 99RodezOccitanie
    7.2
  100. 100AurillacAuvergne-Rhône-Alpes
    5.8
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, March 2026 · France now

Use this board

SmogRank, most polluted cities in France, PM2.5, March 2026, smogrank.com/fr/history/2026-03 (accessed 1 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.