SmogRank / Countries / Mexico / 2023

Most polluted cities in Mexico, 2023

9 cities in Mexico ranked by their average PM2.5 over the 365 days; 9 above the WHO annual guideline (5.0 µg/m³). Worst: Celaya at 24.2 µg/m³, #23 of 969 cities in the world. Cleanest: Guanajuato at 13.0. A city needs measurements on 70% of the days to be ranked.

  1. 1CelayaGuanajuato
    24.24.8×
  2. 2SalamancaGuanajuato
    21.44.3×
  3. 3Ciudad JuárezChihuahua
    18.53.7×
  4. 4León de los AldamaGuanajuato
    16.73.3×
  5. 5TijuanaBaja California
    16.63.3×
  6. 6IrapuatoGuanajuato
    15.83.2×
  7. 7San Luis de la PazGuanajuato
    13.82.8×
  8. 8AbasoloGuanajuato
    13.22.6×
  9. 9GuanajuatoGuanajuato
    13.02.6×
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, 2023 · Mexico now