What is the air quality in Santiago del Estero?

Santiago del Estero, Argentina has an annual US AQI of 59 (Reasonable) and average PM2.5 of 13.6 µg/m³, ranking #1957 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Santiago del Estero?

April is typically the cleanest month (AQI 52) and September the most polluted (AQI 68).

Where does Santiago del Estero's air quality data come from?

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

Santiago del Estero, Argentina — Air Quality & Clean City Guide 2026

Santiago del Estero Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1957	Santiago del Estero, Argentina	South America	AQI 59	PM2.5 13.6 µg/m³