What is the air quality trend in Vilcún?

Over the past 2 days, Vilcún had an average AQI of 41 based on station measurements. The worst day was 2026-07-21 with AQI 51.

How is Vilcún air quality measured?

Air quality in Vilcún 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 Vilcún, Chile

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

33h

PM2.5 Station

33h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	51	17–176	17.2 µg/m³	16h	1
2026-07-20	32	10–65	7.9 µg/m³	17h	2

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