What is the air quality trend in Valdivia?

Over the past 7 days, Valdivia had an average AQI of 71 based on station measurements. The worst day was 2026-05-26 with AQI 90.

How is Valdivia air quality measured?

Air quality in Valdivia 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 Valdivia, Chile

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

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

109

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

131h

PM2.5 Station

131h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	75	4–158	25.3 µg/m³	16h	2
2026-05-28	64	16–164	21.8 µg/m³	20h	2
2026-05-27	70	13–280	31.8 µg/m³	21h	2
2026-05-26	90	4–329	47.0 µg/m³	18h	2
2026-05-25	74	12–180	28.5 µg/m³	19h	2
2026-05-24	65	8–170	22.9 µg/m³	20h	2
2026-05-23	62	18–112	19.0 µg/m³	17h	2

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