What is the air quality trend in Tocopilla?

Over the past 20 days, Tocopilla had an average AQI of 53 based on station measurements. The worst day was 2026-05-24 with AQI 69.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

387h

PM2.5 Station

387h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	49	14–81	13.5 µg/m³	20h	2
2026-05-28	38	11–96	10.8 µg/m³	19h	2
2026-05-27	61	11–176	20.9 µg/m³	18h	2
2026-05-26	52	7–191	19.6 µg/m³	18h	2
2026-05-25	44	13–134	12.4 µg/m³	20h	2
2026-05-24	69	21–158	21.9 µg/m³	21h	2
2026-05-23	62	13–500	49.9 µg/m³	23h	2
2026-05-22	65	17–172	26.5 µg/m³	14h	2
2026-05-21	43	6–123	11.8 µg/m³	20h	2
2026-05-20	62	17–167	21.0 µg/m³	18h	2
2026-05-19	62	15–154	19.9 µg/m³	16h	1
2026-05-18	49	8–112	14.3 µg/m³	15h	1
2026-05-17	65	12–192	25.1 µg/m³	14h	2
2026-05-16	34	2–102	9.1 µg/m³	18h	2
2026-05-15	49	12–116	14.2 µg/m³	23h	2
2026-05-14	47	14–247	18.9 µg/m³	20h	2
2026-05-13	57	16–169	18.2 µg/m³	23h	3
2026-05-12	52	13–138	15.8 µg/m³	23h	2
2026-05-11	52	10–159	16.4 µg/m³	23h	3
2026-05-10	61	11–146	18.2 µg/m³	21h	2

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