SmogRank / World / South America / Chile / Antofagasta

Most polluted cities in Antofagasta, Chile

3 measured cities, this year; 3 above the WHO annual guideline. Worst: Tocopilla at 23.6 µg/m³, #406 in the world.

Tarapacá: 1 measured cityAntofagasta: 3 measured citiesAtacama#3 Calama: 16.1 µg/m³#2 Antofagasta: 21.1 µg/m³#1 Tocopilla: 23.6 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
← Tocopilla 23.6 µg/m³ 20 µg/m³5 WHO annual guideline
Every measured city in Antofagasta, Chile, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Tocopilla 404.7×
  2. 2Antofagasta 354.2×
  3. 3Calama 273.2×
Good0–50
Satisfactory51–100
Moderate101–200
Poor201–300
Very poor301–400
Severe401+

India's National Air Quality Index (CPCB), PM2.5 sub-index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Use this board

SmogRank, most polluted cities in Antofagasta, Chile, PM2.5, this year to 2 Oct 2026, 06:00 UTC, smogrank.com/cl/region/antofagasta?w=year.

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

Updated 2026-10-02 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the India AQI PM2.5 sub-index.