San Vicente de Baracaldo Seasonal Pollution
San Vicente de Baracaldo usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in March. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Basque Country, Spain.
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Average EPA AQI
40
Rank 84 of 253 cities by average AQI
PM2.5
8.0
ug/m3 annualized city average
Seasonality
September
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Vicente de Baracaldo
41
43
25
39
38
43
45
42
45
41
42
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For San Vicente de Baracaldo, the current global analytics build covers 312 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.