Vigo Seasonal Pollution
Vigo usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in August. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
56
Rank 7 of 253 cities by average AQI
PM2.5
13.1
ug/m3 annualized city average
Seasonality
February
Cleanest: August
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vigo
64
67
46
52
49
53
53
46
56
50
61
67
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vigo, the current global analytics build covers 348 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.