SmogRank / Countries / Mexico / January 2023

Most polluted cities in Mexico, January 2023

7 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Celaya at 34.6 µg/m³, #29 of 849 cities in the world. Cleanest: Tijuana at 16.7. A city needs measurements on 70% of the days to be ranked.

  1. 1CelayaGuanajuato
    34.6
  2. 2Ecatepec de MorelosMéxico
    27.6
  3. 3Mexico CityMexico City
    25.0
  4. 4León de los AldamaGuanajuato
    22.6
  5. 5Ciudad JuárezChihuahua
    19.6
  6. 6AbasoloGuanajuato
    18.4
  7. 7TijuanaBaja California
    16.7
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, January 2023 · Mexico now