SmogRank / Countries / Mexico / April 2023
Most polluted cities in Mexico, April 2023
38 cities in Mexico ranked by their average PM2.5 over the 30 days. Worst: Mexicali at 59.7 µg/m³, #8 of 1,251 cities in the world. Cleanest: Cadereyta Jiménez at 15.2. A city needs measurements on 70% of the days to be ranked.
- 1MexicaliBaja California 59.7
- 2TlaquepaqueJalisco 58.4
- 3San Mateo AtencoMéxico 46.9
- 4ZapopanJalisco 39.2
- 5CelayaGuanajuato 37.0
- 6Ciudad Benito JuárezNuevo León 32.2
- 7TolucaMéxico 31.3
- 8XonacatlánMéxico 31.2
- 9GuadalajaraJalisco 29.9
- 10San Francisco TlalcilalcalpanMéxico 29.2
- 11Tepeji del Río de OcampoHidalgo 28.5
- 12Ciudad NezahualcoyotlMéxico 25.9
- 13PueblaPuebla 24.1
- 14Naucalpan de JuárezMéxico 22.7
- 14CuernavacaMorelos 22.7
- 16Mexico CityMexico City 22.5
- 16SalamancaGuanajuato 22.5
- 18Ciudad JuárezChihuahua 22.0
- 19San Andrés TuxtlaVeracruz 21.3
- 20AguascalientesAguascalientes 20.8
- 21Santiago de QuerétaroQuerétaro 20.5
- 22GarcíaNuevo León 20.3
- 22MonterreyNuevo León 20.3
- 24TijuanaBaja California 20.0
- 25Ciudad ApodacaNuevo León 19.7
- 26Santa CatarinaNuevo León 19.2
- 27Pachuca de SotoHidalgo 19.1
- 27León de los AldamaGuanajuato 19.1
- 29VeracruzVeracruz 19.0
- 30IrapuatoGuanajuato 18.7
- 31GuanajuatoGuanajuato 17.2
- 32Victoria de DurangoDurango 16.8
- 33San Miguel de AllendeGuanajuato 16.6
- 34San Luis de la PazGuanajuato 16.1
- 35Ciudad General EscobedoNuevo León 15.4
- 35AbasoloGuanajuato 15.4
- 37ChihuahuaChihuahua 15.3
- 38Cadereyta JiménezNuevo León 15.2
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, April 2023 · Mexico now
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SmogRank, most polluted cities in Mexico, PM2.5, April 2023, smogrank.com/mx/history/2023-04 (accessed 2 Oct 2026).
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