What is the air quality trend in Coronel?

Over the past 7 days, Coronel had an average AQI of 70 based on station measurements. The worst day was 2026-05-26 with AQI 85.

How is Coronel air quality measured?

Air quality in Coronel 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 Coronel, Chile

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

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

153

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	67	7–187	22.8 µg/m³	24h	8
2026-05-28	50	18–126	14.4 µg/m³	24h	10
2026-05-27	77	27–160	25.2 µg/m³	24h	10
2026-05-26	85	13–184	31.2 µg/m³	24h	11
2026-05-25	77	24–151	24.9 µg/m³	24h	11
2026-05-24	66	26–113	19.6 µg/m³	24h	10
2026-05-23	73	30–143	22.6 µg/m³	24h	10

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