What is the air quality trend in Arica?

Over the past 15 days, Arica had an average AQI of 48 based on station measurements. The worst day was 2026-05-29 with AQI 74.

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 Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

117h

PM2.5 Station

117h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	22	13–30	5.2 µg/m³	2h	1
2026-06-08	71	9–182	31.6 µg/m³	10h	1
2026-06-07	34	11–90	9.3 µg/m³	10h	1
2026-06-06	47	3–106	13.6 µg/m³	10h	1
2026-06-05	23	5–42	5.5 µg/m³	7h	1
2026-06-04	47	17–132	13.9 µg/m³	7h	1
2026-06-03	42	24–73	11.8 µg/m³	6h	1
2026-06-02	40	4–137	12.7 µg/m³	8h	1
2026-06-01	51	2–161	17.8 µg/m³	10h	1
2026-05-31	33	11–117	10.3 µg/m³	6h	1
2026-05-30	74	26–147	24.1 µg/m³	6h	1
2026-05-29	74	5–142	24.5 µg/m³	9h	1
2026-05-28	65	16–156	20.3 µg/m³	10h	1
2026-05-27	41	9–74	11.5 µg/m³	6h	1
2026-05-26	57	14–137	17.3 µg/m³	10h	1

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