SmogRank / Countries / Mexico / May 2024

Most polluted cities in Mexico, May 2024

9 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Celaya at 33.1 µg/m³, #21 of 2,082 cities in the world. Cleanest: Tijuana at 11.6. A city needs measurements on 70% of the days to be ranked.

  1. 1CelayaGuanajuato
    33.1
  2. 2San Luis de la PazGuanajuato
    30.0
  3. 3IrapuatoGuanajuato
    26.2
  4. 4León de los AldamaGuanajuato
    24.7
  5. 5San Miguel de AllendeGuanajuato
    22.9
  6. 6GuanajuatoGuanajuato
    21.5
  7. 7SalamancaGuanajuato
    19.9
  8. 8AbasoloGuanajuato
    19.8
  9. 9TijuanaBaja California
    11.6
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, May 2024 · Mexico now