What is the air quality trend in Chiguayante?

Over the past 21 days, Chiguayante had an average AQI of 64 based on station measurements. The worst day was 2026-05-26 with AQI 93.

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

479h

PM2.5 Station

479h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	82	35–152	27.1 µg/m³	7h	10
2026-06-08	55	12–98	16.1 µg/m³	24h	14
2026-06-07	56	11–162	17.5 µg/m³	24h	13
2026-06-06	47	13–175	15.0 µg/m³	24h	12
2026-06-05	46	17–95	12.7 µg/m³	24h	12
2026-06-04	60	22–142	17.8 µg/m³	24h	12
2026-06-03	54	8–170	17.2 µg/m³	24h	13
2026-06-02	60	12–132	18.4 µg/m³	24h	13
2026-06-01	44	13–75	12.0 µg/m³	24h	11
2026-05-31	50	20–114	14.3 µg/m³	24h	12
2026-05-30	65	33–116	19.1 µg/m³	24h	14
2026-05-29	66	28–162	20.6 µg/m³	24h	11
2026-05-28	59	34–113	16.6 µg/m³	24h	15
2026-05-27	75	32–157	24.4 µg/m³	24h	13
2026-05-26	93	21–168	33.2 µg/m³	24h	14
2026-05-25	73	17–161	23.9 µg/m³	24h	13
2026-05-24	80	52–146	25.7 µg/m³	24h	15
2026-05-23	82	28–171	28.5 µg/m³	24h	16
2026-05-22	64	25–110	18.7 µg/m³	24h	14
2026-05-21	64	23–155	20.2 µg/m³	24h	12
2026-05-20	82	18–174	29.2 µg/m³	16h	14

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