What is the air quality trend in Errenteria?

Over the past 8 days, Errenteria had an average AQI of 43 based on station measurements. The worst day was 2026-08-08 with AQI 54.

How is Errenteria air quality measured?

Air quality in Errenteria 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 Errenteria, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Errenteria, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 14 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	54	23–98	15.8 µg/m³	40.2	4h	11
2026-08-07	49	24–197	16.6 µg/m³	24.6	22h	10
2026-08-06	40	18–92	10.0 µg/m³	15.8	24h	15
2026-08-05	50	22–139	13.6 µg/m³	2.3	24h	15
2026-08-04	44	22–93	11.1 µg/m³	2.2	24h	14
2026-08-03	41	17–60	10.2 µg/m³	108.6	24h	10
2026-08-02	38	17–119	9.7 µg/m³	12.6	24h	9
2026-08-01	33	19–60	8.2 µg/m³	8.2	17h	8

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