What is the air quality trend in Hualqui?

Over the past 8 days, Hualqui had an average AQI of 51 based on station measurements. The worst day was 2026-07-16 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.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	37	8–55	9.0 µg/m³	6h	12
2026-07-21	48	26–159	13.7 µg/m³	24h	14
2026-07-20	45	25–68	11.4 µg/m³	24h	13
2026-07-19	47	34–72	11.8 µg/m³	24h	14
2026-07-18	57	32–171	17.2 µg/m³	24h	14
2026-07-17	58	37–120	16.4 µg/m³	24h	12
2026-07-16	62	35–130	17.6 µg/m³	24h	15
2026-07-15	56	33–107	15.6 µg/m³	18h	13

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