What is the air quality in Guarulhos?

Guarulhos, Brazil has an annual US AQI of 64 (Polluted) and average PM2.5 of 16.2 µg/m³, ranking #2655 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Guarulhos?

January is typically the cleanest month (AQI 56) and July the most polluted (AQI 74).

Where does Guarulhos'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.

Guarulhos, Brazil — Air Quality & Clean City Guide 2026

Guarulhos Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2655	Guarulhos, Brazil	South America	AQI 64	PM2.5 16.2 µg/m³