What is the air quality in São Paulo?

São Paulo, Brazil has an annual US AQI of 63 (Polluted) and average PM2.5 of 15.7 µg/m³, ranking #2542 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in São Paulo?

January is typically the cleanest month (AQI 53) and August the most polluted (AQI 75).

Where does São Paulo's air quality data come from?

PM2.5: 1998–2025 (monitors 2017, 2021–2025, satellite 1998–2022, 2024; 2025 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

São Paulo, Brazil — Air Quality & Clean City Guide 2026

São Paulo Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2542	São Paulo, Brazil	South America	AQI 63	PM2.5 15.7 µg/m³