What is the air quality trend in Santutxu?

Over the past 3 days, Santutxu had an average AQI of 161 based on station measurements. The worst day was with AQI .

How is Santutxu air quality measured?

Air quality in Santutxu 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 Santutxu, Spain

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

46h · 6 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	73	64–82	22.7 µg/m³	24.9	5h	7
2026-04-10	225	52–500	277.0 µg/m³	31.1	24h	7
2026-04-09	185	23–500	202.1 µg/m³	24.3	17h	6

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