Santiago de Compostela AQI Trends
Santiago de Compostela AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 9 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
33
Rank 123 of 253 cities by average AQI
PM2.5
6.5
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Santiago de Compostela
43
45
32
35
27
31
18
22
30
20
42
48
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Santiago de Compostela, the current global analytics build covers 351 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.