What is the air quality trend in Quillón?

Over the past 14 days, Quillón had an average AQI of 63 based on station measurements. The worst day was 2026-05-20 with AQI 92.

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

321h

PM2.5 Station

321h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	61	12–181	23.0 µg/m³	24h	4
2026-05-28	43	5–141	11.9 µg/m³	24h	4
2026-05-27	60	15–152	18.0 µg/m³	24h	4
2026-05-26	68	25–158	21.9 µg/m³	24h	4
2026-05-25	62	20–153	19.0 µg/m³	24h	5
2026-05-24	67	15–155	20.7 µg/m³	24h	5
2026-05-23	62	15–181	21.2 µg/m³	23h	4
2026-05-22	53	5–142	15.4 µg/m³	24h	3
2026-05-21	58	25–151	17.3 µg/m³	22h	4
2026-05-20	92	15–435	44.0 µg/m³	22h	4
2026-05-19	69	12–147	22.0 µg/m³	24h	3
2026-05-18	58	3–161	19.0 µg/m³	22h	3
2026-05-17	71	9–250	29.7 µg/m³	19h	3
2026-05-16	60	20–153	18.1 µg/m³	21h	5

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