Alcorcón Seasonal Pollution
Alcorcón usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in March. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Madrid, Spain.
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Average EPA AQI
48
Rank 31 of 253 cities by average AQI
PM2.5
11.0
ug/m3 annualized city average
Seasonality
August
Cleanest: March
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Alcorcón
45
40
22
49
45
46
53
71
45
44
53
55
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Alcorcón, the current global analytics build covers 286 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.