What is the air quality trend in Hualqui?

Over the past 3 days, Hualqui had an average AQI of 53 based on station measurements. The worst day was 2026-05-29 with AQI 62.

How is Hualqui air quality measured?

Air quality in Hualqui 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 Hualqui, Chile

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

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

223

Current AQI
Very unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	55	55–55	14.0 µg/m³	1h	1
2026-05-29	62	19–159	19.0 µg/m³	24h	9
2026-05-28	44	17–99	12.1 µg/m³	22h	11

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