What is the air quality in Cabo de Santo Agostinho?

Cabo de Santo Agostinho, Brazil has an annual US AQI of 43 (Reasonable) and average PM2.5 of 7.8 µg/m³, ranking #362 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Cabo de Santo Agostinho?

June is typically the cleanest month (AQI 36) and October the most polluted (AQI 50).

Where does Cabo de Santo Agostinho's air quality data come from?

PM2.5: 1998–2025 (satellite 1998–2024, model 2025). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Cabo de Santo Agostinho, Brazil — Air Quality & Clean City Guide 2026

Cabo de Santo Agostinho Air Quality Data

Global rank	City	Continent	AQI	PM2.5
362	Cabo de Santo Agostinho, Brazil	South America	AQI 43	PM2.5 7.8 µg/m³