SmogRank / Countries / Mexico / April 2026

Most polluted cities in Mexico, April 2026

46 cities in Mexico ranked by their average PM2.5 over the 30 days. Worst: Tuxtla at 33.1 µg/m³, #116 of 2,283 cities in the world. Cleanest: Tijuana at 9.3. A city needs measurements on 70% of the days to be ranked.

  1. 1TuxtlaChiapas
    33.1
  2. 2Pachuca de SotoHidalgo
    32.5
  3. 3San Luis PotosíSan Luis Potosí
    32.0
  4. 4San Salvador TizatlalliMéxico
    29.6
  5. 5XonacatlánMéxico
    29.4
  6. 6TlaquepaqueJalisco
    25.0
  7. 7Victoria de DurangoDurango
    24.2
  8. 8Hacienda Santa FeJalisco
    23.9
  9. 9Zacatepec de HidalgoMorelos
    22.0
  10. 10Silao de la VictoriaGuanajuato
    21.9
  11. 11Ciudad NezahualcoyotlMéxico
    21.8
  12. 11AguascalientesAguascalientes
    21.8
  13. 13PueblaPuebla
    20.7
  14. 13CelayaGuanajuato
    20.7
  15. 15MoreliaMichoacán
    20.2
  16. 16Santa CatarinaNuevo León
    20.0
  17. 17YecapixtlaMorelos
    19.8
  18. 17MonterreyNuevo León
    19.8
  19. 19CuautlaMorelos
    19.3
  20. 20Mixquiahuala de JuárezHidalgo
    18.5
  21. 20Mexico CityMexico City
    18.5
  22. 22GuadalajaraJalisco
    18.3
  23. 23TehuacánPuebla
    17.6
  24. 24SalamancaGuanajuato
    17.5
  25. 24Ciudad Benito JuárezNuevo León
    17.5
  26. 26Santiago de QuerétaroQuerétaro
    16.9
  27. 27León de los AldamaGuanajuato
    16.5
  28. 28CuernavacaMorelos
    16.3
  29. 29Ciudad ApodacaNuevo León
    16.2
  30. 30San Luis de la PazGuanajuato
    16.1
  31. 31Cadereyta JiménezNuevo León
    15.8
  32. 31ZapopanJalisco
    15.8
  33. 33Tula de AllendeHidalgo
    15.6
  34. 34TlaxcalaTlaxcala
    15.3
  35. 35TulancingoHidalgo
    15.0
  36. 36La Providencia Siglo XXIHidalgo
    14.1
  37. 37GuanajuatoGuanajuato
    13.9
  38. 38Santa AnitaJalisco
    13.8
  39. 38AbasoloGuanajuato
    13.8
  40. 40MexicaliBaja California
    13.5
  41. 41San Miguel de AllendeGuanajuato
    13.4
  42. 42GarcíaNuevo León
    12.8
  43. 43Ciudad JuárezChihuahua
    11.8
  44. 44ChihuahuaChihuahua
    11.6
  45. 45La PazBaja California Sur
    9.9
  46. 46TijuanaBaja California
    9.3
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 · Mexico now

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

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