Arrigorriaga AQI Trends
Arrigorriaga AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Basque Country, Spain.
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Average EPA AQI
41
Rank 81 of 253 cities by average AQI
PM2.5
8.3
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Arrigorriaga
47
45
22
34
38
46
46
45
37
33
45
42
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Arrigorriaga, the current global analytics build covers 314 daily rows from 2024-01-01 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.