What is the air quality in Calama?

Calama, Chile has an annual US AQI of 63 (Polluted) and average PM2.5 of 9.2 µg/m³, ranking #2461 of 5856 cities. Main pollutant: PM10.

What is the cleanest month in Calama?

March is typically the cleanest month (AQI 48) and July the most polluted (AQI 122).

Where does Calama'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.

Calama, Chile — Air Quality & Clean City Guide 2026

Calama Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2461	Calama, Chile	South America	AQI 63	PM2.5 9.2 µg/m³