SmogRank / Countries / Mexico / October 2023

Most polluted cities in Mexico, October 2023

10 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Salamanca at 19.6 µg/m³, #36 of 1,686 cities in the world. Cleanest: Abasolo at 7.4. A city needs measurements on 70% of the days to be ranked.

  1. 1SalamancaGuanajuato
    19.6
  2. 2TijuanaBaja California
    17.6
  3. 3CelayaGuanajuato
    15.0
  4. 4Silao de la VictoriaGuanajuato
    11.1
  5. 5León de los AldamaGuanajuato
    11.0
  6. 6IrapuatoGuanajuato
    10.2
  7. 7San Luis de la PazGuanajuato
    10.0
  8. 8Ciudad JuárezChihuahua
    9.5
  9. 9GuanajuatoGuanajuato
    8.4
  10. 10AbasoloGuanajuato
    7.4
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, October 2023 · Mexico now