Ferrol Seasonal Pollution
Ferrol usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Galicia, Spain.
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Average EPA AQI
31
Rank 131 of 253 cities by average AQI
PM2.5
6.4
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ferrol
40
42
31
30
28
31
16
16
30
28
45
38
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ferrol, 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.