What is the air quality trend in Penco?

Over the past 21 days, Penco had an average AQI of 62 based on station measurements. The worst day was 2026-05-26 with AQI 86.

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

478h

PM2.5 Station

478h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	82	51–119	26.3 µg/m³	5h	9
2026-06-08	58	11–110	17.2 µg/m³	24h	12
2026-06-07	52	18–132	15.4 µg/m³	24h	10
2026-06-06	38	10–82	10.0 µg/m³	24h	10
2026-06-05	46	18–84	12.7 µg/m³	24h	10
2026-06-04	56	18–177	18.3 µg/m³	24h	11
2026-06-03	59	21–167	19.8 µg/m³	24h	11
2026-06-02	48	14–88	13.1 µg/m³	24h	12
2026-06-01	49	10–90	13.3 µg/m³	24h	9
2026-05-31	50	19–92	13.3 µg/m³	24h	10
2026-05-30	60	28–127	17.2 µg/m³	23h	12
2026-05-29	66	23–115	19.9 µg/m³	24h	9
2026-05-28	59	29–97	16.8 µg/m³	24h	12
2026-05-27	84	21–178	30.5 µg/m³	24h	11
2026-05-26	86	23–188	32.1 µg/m³	24h	10
2026-05-25	66	13–169	22.2 µg/m³	24h	11
2026-05-24	72	23–189	25.1 µg/m³	24h	12
2026-05-23	76	30–152	24.0 µg/m³	24h	13
2026-05-22	72	24–192	25.7 µg/m³	24h	12
2026-05-21	58	26–126	17.1 µg/m³	24h	11
2026-05-20	84	30–156	28.3 µg/m³	18h	11

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