What is the air quality trend in Río Bueno?

Over the past 7 days, Río Bueno had an average AQI of 76 based on station measurements. The worst day was 2026-07-21 with AQI 144.

How is Río Bueno air quality measured?

Air quality in Río Bueno 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 Río Bueno, Chile

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

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

189

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

154h

PM2.5 Station

154h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	144	7–346	91.7 µg/m³	20h	2
2026-07-20	90	22–173	35.5 µg/m³	20h	2
2026-07-19	64	21–181	21.4 µg/m³	23h	2
2026-07-18	55	25–95	15.3 µg/m³	21h	2
2026-07-17	66	42–131	19.4 µg/m³	23h	2
2026-07-16	51	26–104	13.5 µg/m³	24h	2
2026-07-15	66	17–142	20.4 µg/m³	23h	2

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