What is the air quality trend in Concepción?

Over the past 14 days, Concepción had an average AQI of 55 based on station measurements. The worst day was 2026-07-12 with AQI 93.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	43	6–119	11.7 µg/m³	24h	7
2026-07-20	45	25–89	11.7 µg/m³	24h	7
2026-07-19	49	23–110	13.1 µg/m³	24h	6
2026-07-18	55	35–177	16.6 µg/m³	24h	7
2026-07-17	52	18–173	15.6 µg/m³	23h	6
2026-07-16	74	28–184	26.0 µg/m³	24h	6
2026-07-15	62	26–160	18.6 µg/m³	24h	6
2026-07-14	54	13–146	14.8 µg/m³	24h	6
2026-07-13	41	18–77	10.2 µg/m³	23h	6
2026-07-12	93	20–344	48.2 µg/m³	24h	5
2026-07-11	61	26–172	19.3 µg/m³	23h	5
2026-07-10	49	22–88	13.2 µg/m³	24h	5
2026-07-09	58	15–108	16.6 µg/m³	24h	5
2026-07-08	44	22–103	11.4 µg/m³	22h	5

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