What is the air quality trend in Puerto Montt?

Over the past 15 days, Puerto Montt had an average AQI of 47 based on station measurements. The worst day was 2026-07-11 with AQI 66.

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.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

257h

PM2.5 Station

257h · 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	54	15–154	16.5 µg/m³	17h	2
2026-07-20	35	6–72	8.9 µg/m³	16h	2
2026-07-19	47	1–157	14.7 µg/m³	20h	2
2026-07-18	44	22–64	11.3 µg/m³	15h	2
2026-07-17	50	15–159	14.6 µg/m³	19h	2
2026-07-16	42	12–57	10.3 µg/m³	19h	2
2026-07-15	51	13–133	14.0 µg/m³	17h	2
2026-07-14	45	21–88	11.7 µg/m³	18h	2
2026-07-13	40	13–157	11.7 µg/m³	20h	2
2026-07-12	53	23–138	15.8 µg/m³	13h	2
2026-07-11	66	9–240	25.9 µg/m³	21h	2
2026-07-10	65	25–337	28.5 µg/m³	19h	2
2026-07-09	46	13–117	12.5 µg/m³	20h	2
2026-07-08	43	17–127	11.5 µg/m³	21h	4
2026-07-07	30	29–30	7.0 µg/m³	2h	6

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