What is the air quality trend in Tocopilla?

Over the past 15 days, Tocopilla had an average AQI of 57 based on station measurements. The worst day was 2026-06-06 with AQI 85.

How is Tocopilla air quality measured?

Air quality in Tocopilla 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 Tocopilla, Chile

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

256h

PM2.5 Station

256h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	48	9–97	13.3 µg/m³	8h	2
2026-06-08	48	4–134	14.6 µg/m³	21h	2
2026-06-07	38	4–93	10.6 µg/m³	20h	2
2026-06-06	85	3–493	48.1 µg/m³	19h	1
2026-06-05	72	26–165	25.2 µg/m³	16h	2
2026-06-04	53	9–141	16.1 µg/m³	18h	2
2026-06-03	63	14–236	24.1 µg/m³	20h	2
2026-06-02	54	6–127	16.3 µg/m³	18h	2
2026-06-01	43	10–92	12.0 µg/m³	15h	2
2026-05-31	42	10–152	12.3 µg/m³	20h	2
2026-05-30	65	9–188	24.4 µg/m³	18h	2
2026-05-29	76	9–267	31.5 µg/m³	19h	2
2026-05-28	64	18–157	20.5 µg/m³	20h	2
2026-05-27	70	5–181	26.1 µg/m³	15h	2
2026-05-26	48	21–122	14.0 µg/m³	9h	2

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