What is the air quality trend in Coyhaique?

Over the past 20 days, Coyhaique had an average AQI of 54 based on station measurements. The worst day was 2026-05-19 with AQI 72.

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

395h

PM2.5 Station

395h · 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	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	63	17–129	19.1 µg/m³	18h	2
2026-05-22	49	9–95	14.4 µg/m³	18h	2
2026-05-21	43	12–162	13.4 µg/m³	22h	2
2026-05-20	60	9–152	19.1 µg/m³	20h	2
2026-05-19	72	12–201	32.1 µg/m³	16h	1
2026-05-18	45	7–113	12.9 µg/m³	18h	1
2026-05-17	50	9–257	21.7 µg/m³	17h	1
2026-05-16	51	7–305	22.3 µg/m³	20h	2
2026-05-15	46	9–214	17.2 µg/m³	22h	2
2026-05-14	58	19–182	19.6 µg/m³	23h	3
2026-05-13	57	12–161	17.9 µg/m³	23h	2
2026-05-12	58	7–159	18.3 µg/m³	22h	3
2026-05-11	50	14–92	14.2 µg/m³	24h	2
2026-05-10	52	12–168	16.5 µg/m³	18h	2

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