What is the air quality trend in Hualqui?

Over the past 15 days, Hualqui had an average AQI of 61 based on station measurements. The worst day was 2026-05-26 with AQI 81.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	62	20–122	18.5 µg/m³	11h	7
2026-06-08	63	24–130	18.9 µg/m³	24h	9
2026-06-07	59	15–148	17.8 µg/m³	24h	8
2026-06-06	54	15–137	15.6 µg/m³	24h	7
2026-06-05	56	12–132	16.5 µg/m³	23h	7
2026-06-04	55	8–157	16.4 µg/m³	24h	7
2026-06-03	54	18–104	15.6 µg/m³	24h	8
2026-06-02	58	21–98	16.8 µg/m³	24h	9
2026-06-01	52	12–165	15.6 µg/m³	24h	8
2026-05-31	63	12–158	19.5 µg/m³	24h	7
2026-05-30	64	22–167	19.9 µg/m³	24h	10
2026-05-29	66	30–164	20.5 µg/m³	24h	8
2026-05-28	64	24–118	19.2 µg/m³	24h	10
2026-05-27	72	29–223	25.9 µg/m³	24h	8
2026-05-26	81	23–146	26.3 µg/m³	13h	10

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