What is the air quality trend in Valdivia?

Over the past 21 days, Valdivia had an average AQI of 50 based on station measurements. The worst day was 2026-09-05 with AQI 76.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

379h

PM2.5 Station

379h · 1 station

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	76	10–231	44.4 µg/m³	9h	1
2026-09-04	56	15–163	17.8 µg/m³	17h	2
2026-09-03	44	17–171	14.2 µg/m³	21h	2
2026-09-02	32	5–117	8.3 µg/m³	22h	2
2026-09-01	49	22–78	13.4 µg/m³	21h	2
2026-08-31	51	6–132	14.5 µg/m³	21h	2
2026-08-30	42	13–96	11.1 µg/m³	19h	2
2026-08-29	47	9–112	13.5 µg/m³	20h	2
2026-08-28	37	9–87	10.1 µg/m³	15h	2
2026-08-27	54	21–154	15.6 µg/m³	20h	2
2026-08-26	35	9–139	9.4 µg/m³	19h	2
2026-08-25	49	13–119	15.1 µg/m³	19h	1
2026-08-24	75	25–139	24.1 µg/m³	18h	2
2026-08-23	40	9–92	10.4 µg/m³	18h	2
2026-08-22	74	2–223	30.8 µg/m³	18h	2
2026-08-21	49	1–127	14.4 µg/m³	18h	2
2026-08-20	56	11–90	16.2 µg/m³	18h	2
2026-08-19	61	12–187	21.8 µg/m³	21h	2
2026-08-18	50	3–151	15.0 µg/m³	17h	2
2026-08-17	40	8–152	10.7 µg/m³	20h	1
2026-08-16	42	10–72	11.7 µg/m³	8h	2

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