What is the air quality in Puerto Montt?

Puerto Montt, Chile has an annual US AQI of 70 (Polluted) and average PM2.5 of 19.8 µg/m³, ranking #3268 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Puerto Montt?

January is typically the cleanest month (AQI 44) and July the most polluted (AQI 104).

Where does Puerto Montt's air quality data come from?

PM2.5: 1998–2026 (monitors 2016–2026, satellite 1998–2016, 2018, 2021–2023; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Puerto Montt, Chile — Air Quality & Clean City Guide 2026

Puerto Montt Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3268	Puerto Montt, Chile	South America	AQI 70	PM2.5 19.8 µg/m³