What is the air quality trend in Chiguayante?

Over the past 14 days, Chiguayante had an average AQI of 54 based on station measurements. The worst day was 2026-07-12 with AQI 73.

How is Chiguayante air quality measured?

Air quality in Chiguayante 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 Chiguayante, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	42	10–91	11.4 µg/m³	24h	5
2026-07-20	43	20–110	11.1 µg/m³	24h	5
2026-07-19	48	18–141	13.6 µg/m³	24h	5
2026-07-18	59	21–185	18.9 µg/m³	24h	5
2026-07-17	53	5–165	16.0 µg/m³	24h	5
2026-07-16	71	20–193	24.7 µg/m³	24h	5
2026-07-15	66	5–174	21.9 µg/m³	24h	4
2026-07-14	57	12–179	18.4 µg/m³	24h	3
2026-07-13	44	10–85	11.3 µg/m³	22h	4
2026-07-12	73	23–314	33.9 µg/m³	24h	4
2026-07-11	63	16–239	26.4 µg/m³	22h	4
2026-07-10	49	21–114	13.0 µg/m³	24h	4
2026-07-09	48	3–95	13.3 µg/m³	23h	4
2026-07-08	42	18–72	10.8 µg/m³	23h	4

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