San Fernando Seasonal Pollution
San Fernando usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in March. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Andalusia, Spain.
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Average EPA AQI
34
Rank 118 of 253 cities by average AQI
PM2.5
6.5
ug/m3 annualized city average
Seasonality
August
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Fernando
37
31
27
31
30
29
37
45
35
27
44
37
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For San Fernando, the current global analytics build covers 314 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.