SmogRank / Countries / Spain / May 2025

Most polluted cities in Spain, May 2025

80 cities in Spain ranked by their average PM2.5 over the 31 days. Worst: Ourense at 18.3 µg/m³, #190 of 2,193 cities in the world. Cleanest: Alicante at 1.6. A city needs measurements on 70% of the days to be ranked.

  1. 1OurenseGalicia
    18.3
  2. 2LogroñoLa Rioja
    14.2
  3. 3OriaBasque Country
    11.9
  4. 4Mollet del VallèsCatalonia
    11.6
  5. 5ValenciaValencia
    10.5
  6. 5MaspalomasCanary Islands
    10.5
  7. 7GijónAsturias
    10.4
  8. 8Gasteiz / VitoriaBasque Country
    10.0
  9. 9MurciaMurcia
    9.7
  10. 9OviedoAsturias
    9.7
  11. 11Barrio de PeralMurcia
    9.5
  12. 11AmorebietaBasque Country
    9.5
  13. 13LugoGalicia
    9.3
  14. 14ManlleuCatalonia
    9.1
  15. 14BilbaoBasque Country
    9.1
  16. 16Laudio / LlodioBasque Country
    8.9
  17. 16DurangoBasque Country
    8.9
  18. 18AlcantarillaMurcia
    8.7
  19. 18BurgosCastille and León
    8.7
  20. 20GetxoBasque Country
    8.5
  21. 20Alcalá de HenaresMadrid
    8.5
  22. 22TarragonaCatalonia
    8.4
  23. 22PalenciaCastille and León
    8.4
  24. 24CartagenaMurcia
    8.3
  25. 25LorcaMurcia
    8.2
  26. 25SamaAsturias
    8.2
  27. 25CosladaMadrid
    8.2
  28. 28BarcelonaCatalonia
    8.1
  29. 29SaguntoValencia
    8.0
  30. 29Molina de SeguraMurcia
    8.0
  31. 29AvilésAsturias
    8.0
  32. 32ValdemoroMadrid
    7.7
  33. 33LleidaCatalonia
    7.6
  34. 33A CoruñaGalicia
    7.6
  35. 35ArucasCanary Islands
    7.5
  36. 35AgüimesCanary Islands
    7.5
  37. 37MadridMadrid
    7.4
  38. 38Torrejón de ArdozMadrid
    7.3
  39. 39CandelariaCanary Islands
    7.2
  40. 40San IsidroCanary Islands
    7.1
  41. 40Vilanova i la GeltrúCatalonia
    7.1
  42. 42Donostia / San SebastiánBasque Country
    6.9
  43. 43GironaCatalonia
    6.8
  44. 44ManzanaresCastille-La Mancha
    6.6
  45. 45TorreviejaValencia
    6.5
  46. 45Collado-VillalbaMadrid
    6.5
  47. 47Santa Cruz de la PalmaCanary Islands
    6.4
  48. 47JumillaMurcia
    6.4
  49. 47Grao de MurviedroValencia
    6.4
  50. 50ZarautzBasque Country
    6.2
  51. 51Santa LucíaCanary Islands
    6.1
  52. 51ArrecifeCanary Islands
    6.1
  53. 53Santiago de CompostelaGalicia
    6.0
  54. 54IngenioCanary Islands
    5.9
  55. 55LalínGalicia
    5.8
  56. 56Puerto del RosarioCanary Islands
    5.7
  57. 56PamplonaNavarre
    5.7
  58. 58TudelaNavarre
    5.6
  59. 58Medina del CampoCastille and León
    5.6
  60. 58FerrolGalicia
    5.6
  61. 61Santa Cruz de TenerifeCanary Islands
    5.5
  62. 61Las Palmas de Gran CanariaCanary Islands
    5.5
  63. 61BermeoBasque Country
    5.5
  64. 64SoriaCastille and León
    5.4
  65. 64CulleredoGalicia
    5.4
  66. 66Castelló de la PlanaValencia
    5.3
  67. 67Miranda de EbroCastille and León
    5.2
  68. 68PonferradaCastille and León
    5.1
  69. 68AlgeteMadrid
    5.1
  70. 70Aranda de DueroCastille and León
    4.9
  71. 71La OrotavaCanary Islands
    4.8
  72. 71CaravacaMurcia
    4.8
  73. 73LeónCastille and León
    4.7
  74. 74AronaCanary Islands
    4.6
  75. 75SalamancaCastille and León
    4.5
  76. 76TeldeCanary Islands
    4.3
  77. 77Granadilla de AbonaCanary Islands
    3.8
  78. 78EldaValencia
    3.2
  79. 79PontevedraGalicia
    2.9
  80. 80AlicanteValencia
    1.6
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, May 2025 · Spain now