What is the air quality in Colombo?

Colombo, Brazil has an annual US AQI of 60 (Reasonable) and average PM2.5 of 14.2 µg/m³, ranking #2134 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Colombo?

November is typically the cleanest month (AQI 56) and August the most polluted (AQI 64).

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

Global rank	City	Continent	AQI	PM2.5
2134	Colombo, Brazil	South America	AQI 60	PM2.5 14.2 µg/m³