What is the air quality trend in Coyhaique?

Over the past 7 days, Coyhaique had an average AQI of 57 based on station measurements. The worst day was 2026-05-25 with AQI 69.

How is Coyhaique air quality measured?

Air quality in Coyhaique 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 Coyhaique, Chile

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

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

181

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

130h

PM2.5 Station

130h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	66	5–175	24.7 µg/m³	19h	2
2026-05-28	41	7–104	11.3 µg/m³	19h	2
2026-05-27	51	15–159	15.7 µg/m³	18h	2
2026-05-26	55	13–165	17.9 µg/m³	19h	2
2026-05-25	69	16–187	26.8 µg/m³	18h	2
2026-05-24	57	6–169	19.4 µg/m³	21h	2
2026-05-23	62	17–129	18.7 µg/m³	16h	2

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