Avilés Seasonal Pollution
Avilés usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in March. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Asturias, Spain.
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Average EPA AQI
42
Rank 64 of 253 cities by average AQI
PM2.5
8.9
ug/m3 annualized city average
Seasonality
February
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Avilés
45
50
28
44
36
49
42
39
37
41
48
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Avilés, the current global analytics build covers 351 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.