What is the air quality trend in Peñaflor?

Over the past 8 days, Peñaflor had an average AQI of 149 based on station measurements. The worst day was 2026-05-24 with AQI 174.

How is Peñaflor air quality measured?

Air quality in Peñaflor 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 Peñaflor, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Peñaflor, 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 · 42 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	164	164–164	81.3 µg/m³	1h	42
2026-05-29	153	124–163	63.6 µg/m³	24h	40
2026-05-28	134	90–158	51.4 µg/m³	24h	41
2026-05-27	137	92–160	52.0 µg/m³	24h	41
2026-05-26	117	55–161	43.6 µg/m³	24h	42
2026-05-25	156	88–208	86.5 µg/m³	24h	42
2026-05-24	174	168–186	100.3 µg/m³	24h	43
2026-05-23	163	158–172	79.7 µg/m³	23h	44

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