What is the air quality in Matamoros (Coahuila)?

Matamoros (Coahuila), Mexico has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.5 µg/m³, ranking #939 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Matamoros (Coahuila)?

November is typically the cleanest month (AQI 49) and May the most polluted (AQI 56).

Where does Matamoros (Coahuila)'s air quality data come from?

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Matamoros (Coahuila), Mexico — Air Quality & Clean City Guide 2026

Matamoros (Coahuila) Air Quality Data

Global rank	City	Continent	AQI	PM2.5
939	Matamoros (Coahuila), Mexico	North America	AQI 52	PM2.5 10.5 µg/m³