SmogRank / Countries / Mexico / September 2024

Most polluted cities in Mexico, September 2024

1 city in Mexico ranked by their average PM2.5 over the 30 days. Worst: Tijuana at 13.5 µg/m³, #128 of 1,555 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1TijuanaBaja California
    13.5
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, September 2024 · Mexico now

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SmogRank, most polluted cities in Mexico, PM2.5, September 2024, smogrank.com/mx/history/2024-09 (accessed 2 Oct 2026).

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