What is the air quality trend in Colbún?

Over the past 8 days, Colbún had an average AQI of 36 based on station measurements. The worst day was 2026-07-20 with AQI 68.

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

157h

PM2.5 Station

157h · 1 station

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	6	4–12	1.4 µg/m³	6h	1
2026-07-21	53	4–204	25.3 µg/m³	21h	2
2026-07-20	68	8–256	26.7 µg/m³	24h	2
2026-07-19	36	8–169	11.7 µg/m³	24h	2
2026-07-18	23	4–54	5.5 µg/m³	20h	2
2026-07-17	28	2–280	14.2 µg/m³	22h	1
2026-07-16	31	4–89	8.5 µg/m³	24h	1
2026-07-15	45	21–70	11.4 µg/m³	16h	1

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