What is the air quality trend in Colbún?

Over the past 15 days, Colbún had an average AQI of 62 based on station measurements. The worst day was 2026-05-26 with AQI 101.

How is Colbún air quality measured?

Air quality in Colbún 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 Colbún, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	88	50–151	28.7 µg/m³	5h	4
2026-06-08	59	12–156	18.9 µg/m³	23h	5
2026-06-07	55	10–154	16.6 µg/m³	23h	4
2026-06-06	44	6–172	13.7 µg/m³	24h	3
2026-06-05	48	14–162	14.0 µg/m³	24h	4
2026-06-04	49	2–163	15.6 µg/m³	24h	4
2026-06-03	51	18–153	15.3 µg/m³	23h	4
2026-06-02	52	15–108	14.9 µg/m³	22h	5
2026-06-01	67	7–470	33.9 µg/m³	22h	4
2026-05-31	47	11–100	13.0 µg/m³	24h	4
2026-05-30	60	18–185	19.7 µg/m³	24h	4
2026-05-29	67	22–151	20.7 µg/m³	24h	4
2026-05-28	68	19–166	21.9 µg/m³	23h	5
2026-05-27	86	12–164	29.9 µg/m³	24h	4
2026-05-26	101	20–500	60.9 µg/m³	16h	4

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