What is the air quality trend in Arica?

Over the past 7 days, Arica had an average AQI of 42 based on station measurements. The worst day was 2026-08-04 with AQI 61.

How is Arica air quality measured?

Air quality in Arica is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Arica, Chile

Name: Arica Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Arica, Chile.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

110h

PM2.5 Station

110h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	47	9–139	13.4 µg/m³	11h	2
2026-08-06	46	3–122	13.4 µg/m³	21h	2
2026-08-05	35	5–63	8.6 µg/m³	23h	2
2026-08-04	61	23–156	18.6 µg/m³	19h	2
2026-08-03	46	8–106	12.3 µg/m³	16h	2
2026-08-02	39	3–67	10.1 µg/m³	15h	1
2026-08-01	25	6–40	6.1 µg/m³	5h	1

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