SmogRank / Countries / Mexico / February 2025

Most polluted cities in Mexico, February 2025

9 cities in Mexico ranked by their average PM2.5 over the 28 days. Worst: Irapuato at 22.3 µg/m³, #273 of 2,012 cities in the world. Cleanest: San Miguel de Allende at 13.3. A city needs measurements on 70% of the days to be ranked.

  1. 1IrapuatoGuanajuato
    22.3
  2. 2León de los AldamaGuanajuato
    20.6
  3. 3San Luis de la PazGuanajuato
    19.1
  4. 4TijuanaBaja California
    18.0
  5. 5CelayaGuanajuato
    16.8
  6. 6AbasoloGuanajuato
    15.6
  7. 7SalamancaGuanajuato
    15.0
  8. 8GuanajuatoGuanajuato
    14.9
  9. 9San Miguel de AllendeGuanajuato
    13.3
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, February 2025 · Mexico now