What is the air quality trend in Punta Arenas?

Over the past 20 days, Punta Arenas had an average AQI of 54 based on station measurements. The worst day was 2026-05-22 with AQI 99.

How is Punta Arenas air quality measured?

Air quality in Punta Arenas 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 Punta Arenas, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Punta Arenas, Chile.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

205h

PM2.5 Station

205h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	31	9–68	8.0 µg/m³	13h	1
2026-05-28	26	3–65	6.6 µg/m³	10h	1
2026-05-27	76	17–191	32.1 µg/m³	10h	2
2026-05-26	87	3–359	54.0 µg/m³	12h	1
2026-05-25	77	14–182	32.8 µg/m³	11h	1
2026-05-24	71	8–160	25.6 µg/m³	11h	1
2026-05-23	20	13–35	4.9 µg/m³	8h	1
2026-05-22	99	14–500	113.4 µg/m³	8h	1
2026-05-21	55	7–306	30.7 µg/m³	11h	1
2026-05-20	89	34–119	30.4 µg/m³	5h	1
2026-05-19	72	37–110	22.7 µg/m³	3h	1
2026-05-18	17	17–17	4.1 µg/m³	1h	1
2026-05-17	74	34–114	24.5 µg/m³	2h	1
2026-05-16	33	10–85	8.8 µg/m³	16h	1
2026-05-15	46	18–142	13.3 µg/m³	10h	2
2026-05-14	54	13–171	18.1 µg/m³	17h	1
2026-05-13	38	10–152	10.5 µg/m³	15h	1
2026-05-12	51	5–169	17.7 µg/m³	18h	1
2026-05-11	40	8–107	10.9 µg/m³	15h	1
2026-05-10	38	9–74	10.1 µg/m³	9h	1

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