Arriaga AQI Trends
Arriaga AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Basque Country, Spain.
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Average EPA AQI
45
Rank 47 of 253 cities by average AQI
PM2.5
9.1
ug/m3 annualized city average
Seasonality
January
Cleanest: January
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Arriaga
45
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What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Arriaga, the current global analytics build covers 29 daily rows from 2024-01-01 to 2024-01-29. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.