What is the air quality trend in Osorno?

Over the past 8 days, Osorno had an average AQI of 103 based on station measurements. The worst day was 2026-06-05 with AQI 158.

How is Osorno air quality measured?

Air quality in Osorno 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 Osorno, Chile

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

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

110

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	137	8–293	73.2 µg/m³	21h	2
2026-06-07	65	18–216	24.5 µg/m³	24h	2
2026-06-06	97	15–180	39.0 µg/m³	24h	2
2026-06-05	158	53–399	93.0 µg/m³	23h	2
2026-06-04	121	18–473	68.1 µg/m³	23h	2
2026-06-03	88	12–213	34.7 µg/m³	23h	2
2026-06-02	55	8–157	16.5 µg/m³	24h	2
2026-06-01	103	103–103	36.4 µg/m³	1h	2

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