Majadahonda Seasonal Pollution
Majadahonda usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in January. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Madrid, Spain.
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Average EPA AQI
43
Rank 61 of 253 cities by average AQI
PM2.5
10.3
ug/m3 annualized city average
Seasonality
August
Cleanest: January
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Majadahonda
15
40
23
43
40
39
48
59
47
43
54
55
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Majadahonda, the current global analytics build covers 294 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.