What is the air quality trend in Gernika-Lumo?

Over the past 8 days, Gernika-Lumo had an average AQI of 44 based on station measurements. The worst day was 2026-07-21 with AQI 50.

How is Gernika-Lumo air quality measured?

Air quality in Gernika-Lumo 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 Gernika-Lumo, Spain

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

Historical PM2.5 and AQI trend from monitoring stations near Gernika-Lumo, Spain.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 9 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	38	25–53	9.1 µg/m³	18.9	12h	16
2026-07-21	50	26–122	13.2 µg/m³	18.4	24h	26
2026-07-20	48	31–77	12.6 µg/m³	21.8	24h	25
2026-07-19	42	27–60	10.1 µg/m³	15.3	24h	26
2026-07-18	43	26–91	10.8 µg/m³	11.5	24h	26
2026-07-17	46	28–166	12.9 µg/m³	12.6	24h	23
2026-07-16	45	33–121	11.5 µg/m³	15.5	24h	23
2026-07-15	47	30–107	12.4 µg/m³	14.7	12h	18

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