What is the air quality trend in Errenteria?

Over the past 2 days, Errenteria had an average AQI of 55 based on station measurements. The worst day was with AQI .

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
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

39h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	50	37–57	12.2 µg/m³	31.6	22h	2
2026-04-09	60	48–76	16.3 µg/m³	58.8	17h	2

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