What is the air quality trend in Colbún?

Over the past 15 days, Colbún had an average AQI of 48 based on station measurements. The worst day was 2026-08-08 with AQI 77.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

328h

PM2.5 Station

328h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	77	77–77	24.3 µg/m³	1h	5
2026-08-07	74	19–144	23.7 µg/m³	24h	3
2026-08-06	47	21–110	12.5 µg/m³	24h	7
2026-08-05	48	31–80	12.6 µg/m³	24h	6
2026-08-04	55	23–172	16.3 µg/m³	24h	6
2026-08-03	65	15–165	20.2 µg/m³	24h	5
2026-08-02	38	6–107	10.0 µg/m³	22h	3
2026-08-01	34	8–115	9.1 µg/m³	24h	3
2026-07-31	27	2–56	6.5 µg/m³	23h	3
2026-07-30	43	4–104	11.8 µg/m³	24h	3
2026-07-29	69	27–160	21.4 µg/m³	24h	3
2026-07-28	27	7–65	6.6 µg/m³	24h	2
2026-07-27	27	7–55	6.5 µg/m³	22h	2
2026-07-26	46	12–117	12.4 µg/m³	24h	2
2026-07-25	46	12–72	12.2 µg/m³	20h	2

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