SmogRank / Countries / Mexico / February 2026

Most polluted cities in Mexico, February 2026

38 cities in Mexico ranked by their average PM2.5 over the 28 days. Worst: Cuautla at 38.0 µg/m³, #141 of 2,251 cities in the world. Cleanest: Atlixco at 0.0. A city needs measurements on 70% of the days to be ranked.

  1. 1CuautlaMorelos
    38.0
  2. 2XonacatlánMéxico
    35.1
  3. 3Hacienda Santa FeJalisco
    33.0
  4. 4Zacatepec de HidalgoMorelos
    32.1
  5. 5TlaquepaqueJalisco
    31.3
  6. 6San Luis PotosíSan Luis Potosí
    30.5
  7. 7San Martin Texmelucan de LabastidaPuebla
    26.8
  8. 8Mexico CityMexico City
    26.6
  9. 9PueblaPuebla
    25.9
  10. 10Naucalpan de JuárezMéxico
    25.1
  11. 11AguascalientesAguascalientes
    23.8
  12. 12GuadalajaraJalisco
    23.6
  13. 13MexicaliBaja California
    23.5
  14. 14Ciudad Benito JuárezNuevo León
    22.5
  15. 15TehuacánPuebla
    22.0
  16. 16Pachuca de SotoHidalgo
    20.8
  17. 17Tula de AllendeHidalgo
    20.3
  18. 18Santiago de QuerétaroQuerétaro
    20.1
  19. 19Cadereyta JiménezNuevo León
    20.0
  20. 20CuernavacaMorelos
    19.8
  21. 21SaltilloCoahuila
    19.1
  22. 22Santa AnitaJalisco
    18.9
  23. 23Santa CatarinaNuevo León
    18.4
  24. 24TlaxcalaTlaxcala
    18.1
  25. 25La Providencia Siglo XXIHidalgo
    18.0
  26. 26San Juan del RíoQuerétaro
    17.9
  27. 27Ciudad General EscobedoNuevo León
    17.7
  28. 28Ciudad ApodacaNuevo León
    17.1
  29. 29TulancingoHidalgo
    16.7
  30. 29MonterreyNuevo León
    16.7
  31. 31ZapopanJalisco
    15.9
  32. 32TijuanaBaja California
    15.0
  33. 32Ciudad JuárezChihuahua
    15.0
  34. 34ChihuahuaChihuahua
    14.5
  35. 35GarcíaNuevo León
    12.8
  36. 36La PazBaja California Sur
    11.1
  37. 37MéridaYucatán
    10.1
  38. 38AtlixcoPuebla
    0.0
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, February 2026 · Mexico now