What is the air quality trend in Tocopilla?

Over the past 15 days, Tocopilla had an average AQI of 49 based on station measurements. The worst day was 2026-07-11 with AQI 71.

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

243h

PM2.5 Station

243h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	55	21–97	16.0 µg/m³	6h	2
2026-07-21	30	12–58	7.2 µg/m³	20h	2
2026-07-20	46	23–88	12.6 µg/m³	18h	2
2026-07-19	40	14–87	10.6 µg/m³	19h	2
2026-07-18	55	9–120	15.1 µg/m³	19h	2
2026-07-17	49	5–105	13.5 µg/m³	19h	2
2026-07-16	63	13–179	22.4 µg/m³	19h	2
2026-07-15	51	16–113	15.2 µg/m³	19h	2
2026-07-14	43	7–87	11.5 µg/m³	19h	1
2026-07-13	38	7–149	11.0 µg/m³	17h	2
2026-07-12	43	7–124	12.0 µg/m³	14h	2
2026-07-11	71	27–168	25.4 µg/m³	12h	2
2026-07-10	47	7–119	13.1 µg/m³	17h	2
2026-07-09	66	1–500	42.4 µg/m³	17h	2
2026-07-08	45	18–78	11.7 µg/m³	8h	2

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