What is the air quality trend in Puerto Montt?

Over the past 20 days, Puerto Montt had an average AQI of 60 based on station measurements. The worst day was 2026-05-26 with AQI 86.

How is Puerto Montt air quality measured?

Air quality in Puerto Montt 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 Puerto Montt, Chile

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

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

121

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

428h

PM2.5 Station

428h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	75	22–152	23.8 µg/m³	19h	3
2026-05-28	48	18–132	13.1 µg/m³	23h	3
2026-05-27	59	18–116	17.4 µg/m³	21h	3
2026-05-26	86	10–405	44.6 µg/m³	20h	3
2026-05-25	56	2–161	18.2 µg/m³	24h	3
2026-05-24	60	2–155	19.7 µg/m³	21h	2
2026-05-23	63	13–155	20.1 µg/m³	22h	3
2026-05-22	57	10–149	18.2 µg/m³	22h	3
2026-05-21	66	7–142	21.8 µg/m³	21h	3
2026-05-20	80	10–422	39.0 µg/m³	19h	2
2026-05-19	66	8–186	27.0 µg/m³	21h	2
2026-05-18	66	6–205	30.1 µg/m³	17h	2
2026-05-17	59	2–168	20.8 µg/m³	22h	2
2026-05-16	48	8–132	14.4 µg/m³	21h	3
2026-05-15	46	5–137	13.7 µg/m³	20h	3
2026-05-14	59	20–152	17.8 µg/m³	22h	4
2026-05-13	52	13–104	14.9 µg/m³	24h	3
2026-05-12	50	6–156	14.8 µg/m³	24h	4
2026-05-11	49	4–175	15.6 µg/m³	24h	4
2026-05-10	57	18–282	22.8 µg/m³	21h	4

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