What is the air quality trend in Cauquenes?

Over the past 8 days, Cauquenes had an average AQI of 42 based on station measurements. The worst day was 2026-09-23 with AQI 57.

How is Cauquenes air quality measured?

Air quality in Cauquenes 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 Cauquenes, Chile

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

131h

PM2.5 Station

131h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-23	57	20–107	16.8 µg/m³	9h	2
2026-09-22	39	8–105	10.8 µg/m³	23h	2
2026-09-21	41	14–156	11.6 µg/m³	17h	2
2026-09-20	39	14–162	11.7 µg/m³	17h	2
2026-09-19	47	6–203	17.4 µg/m³	21h	2
2026-09-18	41	13–89	10.7 µg/m³	21h	2
2026-09-17	36	15–107	9.5 µg/m³	14h	2
2026-09-16	41	18–77	10.7 µg/m³	9h	2

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