What is the air quality in Arica?

Arica, Chile has an annual US AQI of 66 (Polluted) and average PM2.5 of 17.2 µg/m³, ranking #2856 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Arica?

August is typically the cleanest month (AQI 64) and May the most polluted (AQI 69).

Where does Arica's air quality data come from?

PM2.5: 1998–2026 (monitors 2016–2026, satellite 1998–2016, 2018–2019, 2021–2023; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Arica, Chile — Air Quality & Clean City Guide 2026

Arica Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2856	Arica, Chile	South America	AQI 66	PM2.5 17.2 µg/m³