What is the air quality trend in Puerto Aysén?

Over the past 20 days, Puerto Aysén had an average AQI of 56 based on station measurements. The worst day was 2026-05-21 with AQI 74.

How is Puerto Aysén air quality measured?

Air quality in Puerto Aysén 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 Aysén, Chile

Name: Puerto Aysén 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 Aysén, Chile.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

347h

PM2.5 Station

347h · 2 stations

Temperature GFS model

78pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	69	16–162	23.8 µg/m³	15h	2
2026-05-28	37	12–164	11.6 µg/m³	16h	2
2026-05-27	51	16–137	15.0 µg/m³	16h	2
2026-05-26	70	13–164	25.0 µg/m³	19h	1
2026-05-25	52	8–160	16.8 µg/m³	19h	1
2026-05-24	61	12–154	20.0 µg/m³	17h	1
2026-05-23	68	3–170	25.5 µg/m³	19h	1
2026-05-22	63	16–164	22.2 µg/m³	14h	2
2026-05-21	74	12–199	29.1 µg/m³	15h	2
2026-05-20	47	2–107	14.3 µg/m³	18h	2
2026-05-19	61	21–152	19.2 µg/m³	13h	1
2026-05-18	70	2–283	35.9 µg/m³	12h	1
2026-05-17	44	14–97	12.1 µg/m³	15h	1
2026-05-16	32	7–82	8.5 µg/m³	16h	2
2026-05-15	43	6–182	15.2 µg/m³	21h	2
2026-05-14	66	14–301	29.3 µg/m³	21h	2
2026-05-13	61	12–178	20.6 µg/m³	20h	2
2026-05-12	45	4–114	12.9 µg/m³	23h	2
2026-05-11	68	15–317	28.8 µg/m³	20h	2
2026-05-10	52	18–170	16.3 µg/m³	18h	2

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