What is the air quality trend in Hualqui?

Over the past 15 days, Hualqui had an average AQI of 57 based on station measurements. The worst day was 2026-07-11 with AQI 78.

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

334h

PM2.5 Station

334h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	65	25–161	22.1 µg/m³	6h	11
2026-07-21	49	19–165	14.8 µg/m³	24h	11
2026-07-20	44	22–80	11.5 µg/m³	24h	10
2026-07-19	43	25–89	11.1 µg/m³	24h	11
2026-07-18	57	32–182	18.9 µg/m³	24h	11
2026-07-17	63	5–164	19.6 µg/m³	24h	10
2026-07-16	66	35–151	19.6 µg/m³	24h	11
2026-07-15	58	22–102	16.6 µg/m³	24h	10
2026-07-14	49	24–76	12.5 µg/m³	23h	8
2026-07-13	49	15–112	13.4 µg/m³	24h	9
2026-07-12	61	19–172	21.5 µg/m³	24h	8
2026-07-11	78	16–155	25.9 µg/m³	24h	8
2026-07-10	66	25–183	21.7 µg/m³	24h	10
2026-07-09	66	27–168	21.2 µg/m³	24h	10
2026-07-08	44	21–71	11.1 µg/m³	17h	9

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