SmogRank / Countries / Mexico / December 2023
Most polluted cities in Mexico, December 2023
39 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Saltillo at 127.7 µg/m³, #7 of 1,889 cities in the world. Cleanest: San Juan del Río at 9.4. A city needs measurements on 70% of the days to be ranked.
- 1SaltilloCoahuila 127.7
- 2ZapopanJalisco 47.8
- 3Ciudad Benito JuárezNuevo León 46.6
- 4Victoria de DurangoDurango 43.5
- 5TlaquepaqueJalisco 43.0
- 6CholulaPuebla 32.8
- 7San Francisco TlalcilalcalpanMéxico 31.4
- 8Santa CatarinaNuevo León 29.3
- 9MexicaliBaja California 28.8
- 10TolucaMéxico 28.6
- 11San Salvador TizatlalliMéxico 27.6
- 12Ciudad ApodacaNuevo León 27.2
- 13GuadalajaraJalisco 26.7
- 14TijuanaBaja California 24.9
- 14Ciudad General EscobedoNuevo León 24.9
- 16MonterreyNuevo León 23.6
- 17Ciudad JuárezChihuahua 22.4
- 18Cadereyta JiménezNuevo León 22.1
- 19CelayaGuanajuato 21.8
- 20ChihuahuaChihuahua 20.6
- 21San Martin Texmelucan de LabastidaPuebla 20.4
- 21MoreliaMichoacán 20.4
- 23VeracruzVeracruz 19.8
- 24Silao de la VictoriaGuanajuato 17.6
- 24IrapuatoGuanajuato 17.6
- 26PueblaPuebla 16.7
- 27Tepeji del Río de OcampoHidalgo 16.3
- 28CuernavacaMorelos 16.2
- 29Mixquiahuala de JuárezHidalgo 15.7
- 30León de los AldamaGuanajuato 14.6
- 31San Andrés TuxtlaVeracruz 13.4
- 32Tula de AllendeHidalgo 13.1
- 33AbasoloGuanajuato 12.8
- 34Santiago de QuerétaroQuerétaro 12.3
- 35TehuacánPuebla 12.1
- 36San Luis de la PazGuanajuato 10.6
- 37San Miguel de AllendeGuanajuato 10.4
- 38GuanajuatoGuanajuato 9.7
- 39San Juan del RíoQuerétaro 9.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+