What is the air quality trend in Quillón?

Over the past 15 days, Quillón had an average AQI of 53 based on station measurements. The worst day was 2026-08-24 with AQI 81.

How is Quillón air quality measured?

Air quality in Quillón 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 Quillón, Chile

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	57	24–81	16.1 µg/m³	9h	5
2026-09-04	39	15–81	9.8 µg/m³	24h	6
2026-09-03	39	18–70	9.7 µg/m³	24h	7
2026-09-02	43	18–100	11.3 µg/m³	24h	6
2026-09-01	64	21–177	20.5 µg/m³	24h	8
2026-08-31	52	21–152	14.5 µg/m³	24h	7
2026-08-30	52	28–111	13.9 µg/m³	24h	6
2026-08-29	42	21–97	10.8 µg/m³	24h	6
2026-08-28	38	16–70	9.6 µg/m³	24h	6
2026-08-27	49	30–110	12.6 µg/m³	24h	6
2026-08-26	46	18–73	11.9 µg/m³	23h	6
2026-08-25	54	20–122	15.1 µg/m³	24h	6
2026-08-24	81	34–184	28.0 µg/m³	24h	6
2026-08-23	73	22–121	23.0 µg/m³	24h	6
2026-08-22	69	30–154	21.5 µg/m³	12h	6

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