What is the air quality trend in Concepción?

Over the past 15 days, Concepción had an average AQI of 60 based on station measurements. The worst day was 2026-05-27 with AQI 89.

How is Concepción air quality measured?

Air quality in Concepción 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 Concepción, Chile

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	81	58–93	26.4 µg/m³	4h	8
2026-06-08	67	12–153	21.4 µg/m³	24h	9
2026-06-07	51	8–139	14.3 µg/m³	24h	8
2026-06-06	42	9–119	12.0 µg/m³	24h	8
2026-06-05	52	13–152	15.1 µg/m³	24h	8
2026-06-04	56	21–153	16.7 µg/m³	24h	9
2026-06-03	64	16–174	23.0 µg/m³	23h	10
2026-06-02	50	14–110	14.3 µg/m³	24h	10
2026-06-01	52	13–117	15.2 µg/m³	23h	7
2026-05-31	49	18–80	13.3 µg/m³	24h	8
2026-05-30	55	21–88	15.5 µg/m³	24h	10
2026-05-29	57	28–102	16.3 µg/m³	24h	8
2026-05-28	60	18–119	17.4 µg/m³	24h	11
2026-05-27	89	25–189	35.3 µg/m³	23h	8
2026-05-26	83	22–184	30.0 µg/m³	20h	9

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