What is the air quality in Pasto?

Pasto, Colombia has an annual US AQI of 46 (Reasonable) and average PM2.5 of 8.9 µg/m³, ranking #524 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Pasto?

May is typically the cleanest month (AQI 42) and February the most polluted (AQI 58).

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

Global rank	City	Continent	AQI	PM2.5
524	Pasto, Colombia	South America	AQI 46	PM2.5 8.9 µg/m³