What is the air quality trend in Osorno?

Over the past 14 days, Osorno had an average AQI of 61 based on station measurements. The worst day was 2026-10-09 with AQI 86.

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.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

252h

PM2.5 Station

252h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-15	53	17–119	15.2 µg/m³	11h	1
2026-10-14	69	8–166	23.4 µg/m³	18h	1
2026-10-13	80	17–165	28.1 µg/m³	14h	1
2026-10-12	38	12–89	10.4 µg/m³	17h	1
2026-10-11	39	4–102	11.2 µg/m³	16h	1
2026-10-10	62	4–165	21.1 µg/m³	19h	1
2026-10-09	86	4–185	36.8 µg/m³	20h	1
2026-10-08	68	8–180	27.6 µg/m³	22h	1
2026-10-07	78	21–183	29.7 µg/m³	19h	1
2026-10-06	65	17–159	20.4 µg/m³	20h	1
2026-10-05	77	25–176	29.4 µg/m³	19h	1
2026-10-04	54	17–144	16.1 µg/m³	20h	1
2026-10-03	62	25–170	19.5 µg/m³	20h	1
2026-10-02	36	8–117	9.5 µg/m³	17h	1

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