What is the air quality in São Mateus?

São Mateus, Brazil has an annual US AQI of 32 (Reasonable) and average PM2.5 of 5.8 µg/m³, ranking #85 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in São Mateus?

February is typically the cleanest month (AQI 30) and October the most polluted (AQI 38).

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

Global rank	City	Continent	AQI	PM2.5
85	São Mateus, Brazil	South America	AQI 32	PM2.5 5.8 µg/m³