What is the air quality in La Serena?

La Serena, Chile has an annual US AQI of 56 (Reasonable) and average PM2.5 of 12.2 µg/m³, ranking #1468 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in La Serena?

November is typically the cleanest month (AQI 49) and June the most polluted (AQI 65).

Where does La Serena'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.

La Serena, Chile — Air Quality & Clean City Guide 2026

La Serena Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1468	La Serena, Chile	South America	AQI 56	PM2.5 12.2 µg/m³