SmogRank / Countries / Spain / September 2025

Most polluted cities in Spain, September 2025

99 cities in Spain ranked by their average PM2.5 over the 30 days. Worst: Agüimes at 21.3 µg/m³, #118 of 2,439 cities in the world. Cleanest: Alicante at 2.1. A city needs measurements on 70% of the days to be ranked.

  1. 1AgüimesCanary Islands
    21.3
  2. 2Santa LucíaCanary Islands
    18.9
  3. 3MaspalomasCanary Islands
    18.3
  4. 4IngenioCanary Islands
    18.2
  5. 5SevillaAndalusia
    14.5
  6. 6SalamancaCastille and León
    13.8
  7. 7OurenseGalicia
    13.4
  8. 8GijónAsturias
    13.2
  9. 9FuenlabradaMadrid
    13.1
  10. 10LogroñoLa Rioja
    12.1
  11. 11LorcaMurcia
    11.3
  12. 12JaénAndalusia
    11.1
  13. 13San IsidroCanary Islands
    10.3
  14. 13MurciaMurcia
    10.3
  15. 13Torrejón de ArdozMadrid
    10.3
  16. 16CandelariaCanary Islands
    10.1
  17. 17AvilésAsturias
    10.0
  18. 18MóstolesMadrid
    9.7
  19. 19ValdemoroMadrid
    9.6
  20. 20ValenciaValencia
    9.5
  21. 21AlcantarillaMurcia
    9.4
  22. 22BailénAndalusia
    9.3
  23. 23HuelvaAndalusia
    9.2
  24. 23Mollet del VallèsCatalonia
    9.2
  25. 25Molina de SeguraMurcia
    9.0
  26. 25Barrio de PeralMurcia
    9.0
  27. 25ArucasCanary Islands
    9.0
  28. 25Alcalá de HenaresMadrid
    9.0
  29. 29GranadaAndalusia
    8.9
  30. 30La OrotavaCanary Islands
    8.7
  31. 30Granadilla de AbonaCanary Islands
    8.7
  32. 30ManlleuCatalonia
    8.7
  33. 30DurangoBasque Country
    8.7
  34. 34Puerto del RosarioCanary Islands
    8.5
  35. 35Las Palmas de Gran CanariaCanary Islands
    8.4
  36. 35AronaCanary Islands
    8.4
  37. 37ManzanaresCastille-La Mancha
    8.2
  38. 37CórdobaAndalusia
    8.2
  39. 37PalenciaCastille and León
    8.2
  40. 37OviedoAsturias
    8.2
  41. 41JumillaMurcia
    8.1
  42. 41ArrecifeCanary Islands
    8.1
  43. 43Santa Cruz de TenerifeCanary Islands
    8.0
  44. 43San RoqueAndalusia
    8.0
  45. 43OriaBasque Country
    8.0
  46. 43MadridMadrid
    8.0
  47. 47Santa Cruz de la PalmaCanary Islands
    7.9
  48. 47CartagenaMurcia
    7.9
  49. 47SamaAsturias
    7.9
  50. 50Gasteiz / VitoriaBasque Country
    7.8
  51. 51La Línea de la ConcepciónAndalusia
    7.7
  52. 52CosladaMadrid
    7.6
  53. 52AmorebietaBasque Country
    7.6
  54. 54LleidaCatalonia
    7.5
  55. 54BilbaoBasque Country
    7.5
  56. 56LugoGalicia
    7.4
  57. 57GetxoBasque Country
    7.3
  58. 57Collado-VillalbaMadrid
    7.3
  59. 57BarcelonaCatalonia
    7.3
  60. 60VillenaValencia
    7.0
  61. 61TeldeCanary Islands
    6.9
  62. 62ZaragozaAragon
    6.8
  63. 62Laudio / LlodioBasque Country
    6.8
  64. 64TarragonaCatalonia
    6.7
  65. 65Medina del CampoCastille and León
    6.6
  66. 66TorreviejaValencia
    6.5
  67. 66SaguntoValencia
    6.5
  68. 66A CoruñaGalicia
    6.5
  69. 66HernaniBasque Country
    6.5
  70. 70VigoGalicia
    6.4
  71. 71BurgosCastille and León
    6.2
  72. 72CaravacaMurcia
    6.1
  73. 72Aranda de DueroCastille and León
    6.1
  74. 74AlmeríaAndalusia
    6.0
  75. 74TolosaBasque Country
    6.0
  76. 76Donostia / San SebastiánBasque Country
    5.9
  77. 76GironaCatalonia
    5.9
  78. 78PonferradaCastille and León
    5.8
  79. 78ArteixoGalicia
    5.8
  80. 80Grao de MurviedroValencia
    5.7
  81. 80ZarautzBasque Country
    5.7
  82. 82Castelló de la PlanaValencia
    5.6
  83. 83SoriaCastille and León
    5.5
  84. 84Los BarriosAndalusia
    5.4
  85. 84SanturtziBasque Country
    5.4
  86. 86CulleredoGalicia
    5.3
  87. 87EldaValencia
    5.2
  88. 88PamplonaNavarre
    5.1
  89. 88AlgeteMadrid
    5.1
  90. 90Santiago de CompostelaGalicia
    5.0
  91. 91TudelaNavarre
    4.8
  92. 92LeónCastille and León
    4.7
  93. 92FerrolGalicia
    4.7
  94. 94SalouCatalonia
    4.5
  95. 94BermeoBasque Country
    4.5
  96. 96Miranda de EbroCastille and León
    4.2
  97. 97LalínGalicia
    3.8
  98. 98PontevedraGalicia
    2.4
  99. 99AlicanteValencia
    2.1
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, September 2025 · Spain now

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SmogRank, most polluted cities in Spain, PM2.5, September 2025, smogrank.com/es/history/2025-09 (accessed 2 Oct 2026).

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