What is the air quality trend in Gernika-Lumo?

Over the past 8 days, Gernika-Lumo had an average AQI of 45 based on station measurements. The worst day was 2026-07-20 with AQI 49.

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

167h

PM2.5 Station

167h · 5 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	34	27–49	8.2 µg/m³	16.6	8h	13
2026-07-21	49	30–125	13.1 µg/m³	18.4	24h	22
2026-07-20	49	32–74	12.6 µg/m³	21.8	24h	22
2026-07-19	40	27–56	9.7 µg/m³	15.3	24h	23
2026-07-18	44	24–79	11.1 µg/m³	11.5	24h	22
2026-07-17	48	29–181	14.5 µg/m³	12.6	24h	18
2026-07-16	48	33–156	12.8 µg/m³	15.5	24h	19
2026-07-15	48	38–114	12.6 µg/m³	15.5	15h	15

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