What is the air quality in Ribeirão Preto?

Ribeirão Preto, Brazil has an annual US AQI of 61 (Polluted) and average PM2.5 of 14.5 µg/m³, ranking #2251 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Ribeirão Preto?

January is typically the cleanest month (AQI 50) and September the most polluted (AQI 79).

Where does Ribeirão Preto's air quality data come from?

PM2.5: 1998–2024 (monitors 2017, 2021–2023, satellite 1998–2024). Measured by government monitoring stations. Full sources are on the methodology page.

Ribeirão Preto, Brazil — Air Quality & Clean City Guide 2026

Ribeirão Preto Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2251	Ribeirão Preto, Brazil	South America	AQI 61	PM2.5 14.5 µg/m³