SmogRank / World / Mexico / June 2024

Most polluted cities in Mexico, June 2024

3 cities in Mexico ranked by their average PM2.5 over the 30 days. Worst: San Juan del Río at 15.5 µg/m³, #174 of 2,517 cities in the world. Cleanest: Nogales at 8.2. A city needs measurements on 70% of the days to be ranked.

Mexico has 42 cities ranked over the last 30 days, but only 3 here: most of its monitors have no readings for June 2024 in OpenAQ's archive, where ours come from, or too few to rank. Cities missing from this board weren't clean, just not measured.

← San Juan del Río 15.5 µg/m³ 20 µg/m³0
Every city in Mexico ranked for June 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1San Juan del RíoQuerétaro
    63
  2. 2Heroica MatamorosTamaulipas
    56
  3. 3NogalesSonora
    46
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, June 2024 · Mexico now

Regions

Querétaro 1Sonora 1Tamaulipas 1

Ranked cities in each region, June 2024.

Use this board

SmogRank, most polluted cities in Mexico, PM2.5, June 2024, smogrank.com/mx/history/2024-06 (accessed 7 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.