Villalba Seasonal Pollution
Villalba usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in April. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
27
Rank 151 of 253 cities by average AQI
PM2.5
5.1
ug/m3 annualized city average
Seasonality
February
Cleanest: April
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Villalba
34
35
21
14
23
28
21
23
25
25
34
32
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Villalba, the current global analytics build covers 346 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.