What is the air quality in San Juan?

San Juan, Argentina has an annual US AQI of 71 (Polluted) and average PM2.5 of 19.6 µg/m³, ranking #3293 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in San Juan?

October is typically the cleanest month (AQI 68) and May the most polluted (AQI 74).

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
3293	San Juan, Argentina	South America	AQI 71	PM2.5 19.6 µg/m³