What is the air quality trend in Puerto Aysén?

Over the past 21 days, Puerto Aysén had an average AQI of 66 based on station measurements. The worst day was 2026-05-23 with AQI 92.

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

411h

PM2.5 Station

411h · 2 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	59	12–191	23.8 µg/m³	10h	2
2026-06-08	63	3–162	21.0 µg/m³	23h	2
2026-06-07	57	8–155	17.6 µg/m³	19h	2
2026-06-06	57	8–157	17.5 µg/m³	19h	2
2026-06-05	68	12–167	22.1 µg/m³	20h	2
2026-06-04	63	12–153	20.2 µg/m³	20h	2
2026-06-03	58	15–174	20.4 µg/m³	20h	2
2026-06-02	56	14–159	17.8 µg/m³	23h	2
2026-06-01	49	6–124	14.7 µg/m³	22h	2
2026-05-31	51	12–191	18.5 µg/m³	19h	1
2026-05-30	53	21–157	15.8 µg/m³	20h	2
2026-05-29	62	25–122	18.9 µg/m³	19h	2
2026-05-28	57	19–136	17.0 µg/m³	22h	2
2026-05-27	85	28–197	34.8 µg/m³	16h	2
2026-05-26	79	12–184	31.0 µg/m³	20h	2
2026-05-25	89	8–239	34.4 µg/m³	22h	2
2026-05-24	86	21–157	29.0 µg/m³	22h	2
2026-05-23	92	15–174	34.4 µg/m³	22h	2
2026-05-22	62	8–175	22.1 µg/m³	22h	2
2026-05-21	76	12–175	27.3 µg/m³	21h	2
2026-05-20	77	9–151	25.4 µg/m³	10h	2

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