What is the air quality trend in Peñalolén?

Over the past 7 days, Peñalolén had an average AQI of 116 based on station measurements. The worst day was 2026-05-24 with AQI 169.

How is Peñalolén air quality measured?

Air quality in Peñalolén 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 Peñalolén, Chile

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

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

157

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 85 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	118	95–161	43.8 µg/m³	0.3	24h	84
2026-05-28	116	94–153	41.9 µg/m³	0.3	24h	84
2026-05-27	96	64–154	32.8 µg/m³	0.2	24h	85
2026-05-26	53	27–87	14.3 µg/m³	0.1	24h	82
2026-05-25	95	48–185	36.2 µg/m³	0.2	24h	82
2026-05-24	169	147–221	90.5 µg/m³	0.7	24h	83
2026-05-23	167	141–183	87.8 µg/m³	0.5	24h	85

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