SmogRank / Countries / Mexico / August 2025

Most polluted cities in Mexico, August 2025

31 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Cholula at 26.8 µg/m³, #60 of 2,289 cities in the world. Cleanest: Victoria de Durango at 0.0. A city needs measurements on 70% of the days to be ranked.

  1. 1CholulaPuebla
    26.8
  2. 2TuxtlaChiapas
    23.8
  3. 3XonacatlánMéxico
    23.6
  4. 4San Salvador TizatlalliMéxico
    21.1
  5. 5Tepeji del Río de OcampoHidalgo
    17.4
  6. 6Naucalpan de JuárezMéxico
    16.4
  7. 7TijuanaBaja California
    15.1
  8. 8Ciudad Benito JuárezNuevo León
    14.8
  9. 9MonterreyNuevo León
    14.3
  10. 10MéridaYucatán
    13.7
  11. 11Mexico CityMexico City
    13.6
  12. 12PueblaPuebla
    13.2
  13. 12MoreliaMichoacán
    13.2
  14. 14TlaquepaqueJalisco
    13.1
  15. 15Ciudad JuárezChihuahua
    12.9
  16. 16Tula de AllendeHidalgo
    12.1
  17. 17San Martin Texmelucan de LabastidaPuebla
    11.7
  18. 18TulancingoHidalgo
    11.4
  19. 19Santiago de QuerétaroQuerétaro
    11.3
  20. 19AguascalientesAguascalientes
    11.3
  21. 21TehuacánPuebla
    11.1
  22. 22Mixquiahuala de JuárezHidalgo
    10.8
  23. 23ZapopanJalisco
    10.4
  24. 24San Juan del RíoQuerétaro
    10.3
  25. 25MexicaliBaja California
    10.2
  26. 26ChihuahuaChihuahua
    9.7
  27. 27TepicNayarit
    8.3
  28. 28La PazBaja California Sur
    7.7
  29. 29Zacatepec de HidalgoMorelos
    7.6
  30. 30Pachuca de SotoHidalgo
    7.1
  31. 31Victoria de DurangoDurango
    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, August 2025 · Mexico now

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SmogRank, most polluted cities in Mexico, PM2.5, August 2025, smogrank.com/mx/history/2025-08 (accessed 2 Oct 2026).

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