What is the air quality in Curicó?

Curicó, Chile has an annual US AQI of 73 (Polluted) and average PM2.5 of 20.6 µg/m³, ranking #3408 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Curicó?

December is typically the cleanest month (AQI 50) and June the most polluted (AQI 107).

Where does Curicó's air quality data come from?

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

Curicó, Chile — Air Quality & Clean City Guide 2026

Curicó Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3408	Curicó, Chile	South America	AQI 73	PM2.5 20.6 µg/m³