What is the air quality in Copiapó?

Copiapó, Chile has an annual US AQI of 57 (Reasonable) and average PM2.5 of 12.7 µg/m³, ranking #1635 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Copiapó?

January is typically the cleanest month (AQI 51) and June the most polluted (AQI 65).

Where does Copiapó's air quality data come from?

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

Copiapó, Chile — Air Quality & Clean City Guide 2026

Copiapó Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1635	Copiapó, Chile	South America	AQI 57	PM2.5 12.7 µg/m³