SmogRank / Countries / Mexico / May 2025
Most polluted cities in Mexico, May 2025
43 cities in Mexico ranked by their average PM2.5 over the 31 days. Worst: Cholula at 35.3 µg/m³, #63 of 2,193 cities in the world. Cleanest: Chihuahua at 9.4. A city needs measurements on 70% of the days to be ranked.
- 1CholulaPuebla 35.3
- 2Hacienda Santa FeJalisco 34.5
- 3Victoria de DurangoDurango 28.1
- 4TlaquepaqueJalisco 27.6
- 5ApizacoTlaxcala 26.5
- 6Ciudad Benito JuárezNuevo León 26.0
- 7Naucalpan de JuárezMéxico 24.9
- 8Mixquiahuala de JuárezHidalgo 24.4
- 8Ciudad NezahualcoyotlMéxico 24.4
- 10TehuacánPuebla 24.3
- 11AguascalientesAguascalientes 23.9
- 12MoreliaMichoacán 23.7
- 13Tepeji del Río de OcampoHidalgo 23.6
- 14PueblaPuebla 23.0
- 15MonterreyNuevo León 22.6
- 16San Martin Texmelucan de LabastidaPuebla 22.5
- 16Ciudad JuárezChihuahua 22.5
- 18Mexico CityMexico City 22.3
- 19GuadalajaraJalisco 21.8
- 20TulancingoHidalgo 21.4
- 20Cadereyta JiménezNuevo León 21.4
- 22León de los AldamaGuanajuato 20.9
- 23Santiago de QuerétaroQuerétaro 20.8
- 24TlaxcalaTlaxcala 20.6
- 25SalamancaGuanajuato 20.2
- 26TepicNayarit 19.9
- 27Ciudad General EscobedoNuevo León 19.8
- 28San Juan del RíoQuerétaro 19.7
- 29San Luis PotosíSan Luis Potosí 19.5
- 30CelayaGuanajuato 19.3
- 31Pachuca de SotoHidalgo 19.1
- 31MéridaYucatán 19.1
- 33IrapuatoGuanajuato 19.0
- 34San Miguel de AllendeGuanajuato 17.5
- 35Santa AnitaJalisco 17.4
- 36Tula de AllendeHidalgo 17.3
- 37AbasoloGuanajuato 16.5
- 38ZapopanJalisco 16.2
- 39La Providencia Siglo XXIHidalgo 15.3
- 40Zacatepec de HidalgoMorelos 14.4
- 41TijuanaBaja California 12.3
- 42La PazBaja California Sur 10.3
- 43ChihuahuaChihuahua 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+