What is the air quality trend in Coihueco?

Over the past 15 days, Coihueco had an average AQI of 66 based on station measurements. The worst day was 2026-05-29 with AQI 103.

How is Coihueco air quality measured?

Air quality in Coihueco 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 Coihueco, Chile

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

280h

PM2.5 Station

280h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	67	24–107	21.3 µg/m³	6h	2
2026-06-08	62	5–216	26.3 µg/m³	20h	2
2026-06-07	63	8–155	20.0 µg/m³	18h	2
2026-06-06	60	8–136	17.9 µg/m³	23h	2
2026-06-05	67	14–323	30.5 µg/m³	21h	2
2026-06-04	76	18–247	31.4 µg/m³	22h	2
2026-06-03	52	7–158	16.1 µg/m³	23h	2
2026-06-02	55	17–185	18.9 µg/m³	22h	2
2026-06-01	45	9–152	12.7 µg/m³	20h	2
2026-05-31	48	3–115	14.5 µg/m³	17h	1
2026-05-30	55	25–97	15.8 µg/m³	19h	2
2026-05-29	103	26–500	76.5 µg/m³	20h	2
2026-05-28	67	8–139	21.2 µg/m³	15h	2
2026-05-27	98	23–177	37.1 µg/m³	21h	2
2026-05-26	80	25–154	27.0 µg/m³	13h	3

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