What is the air quality trend in Penco?

Over the past 21 days, Penco had an average AQI of 60 based on station measurements. The worst day was 2026-05-26 with AQI 83.

How is Penco air quality measured?

Air quality in Penco 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 Penco, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	55	55–55	14.0 µg/m³	1h	1
2026-05-29	61	19–159	18.8 µg/m³	24h	8
2026-05-28	48	17–99	13.7 µg/m³	24h	10
2026-05-27	60	15–131	18.3 µg/m³	24h	9
2026-05-26	83	22–178	30.1 µg/m³	24h	9
2026-05-25	69	26–147	21.8 µg/m³	24h	10
2026-05-24	63	30–129	18.6 µg/m³	24h	10
2026-05-23	57	18–134	16.4 µg/m³	24h	9
2026-05-22	62	23–134	18.2 µg/m³	24h	8
2026-05-21	60	18–162	18.8 µg/m³	24h	8
2026-05-20	80	17–168	28.6 µg/m³	24h	8
2026-05-19	64	18–164	20.8 µg/m³	24h	6
2026-05-18	58	9–157	18.2 µg/m³	24h	6
2026-05-17	68	11–176	24.2 µg/m³	22h	5
2026-05-16	51	8–103	14.5 µg/m³	23h	11
2026-05-15	51	16–85	13.9 µg/m³	24h	12
2026-05-14	46	13–84	12.0 µg/m³	24h	13
2026-05-13	53	26–93	14.1 µg/m³	24h	13
2026-05-12	59	18–107	17.5 µg/m³	24h	13
2026-05-11	61	15–151	18.2 µg/m³	24h	13
2026-05-10	51	16–89	14.2 µg/m³	23h	12

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