San Martín de la Vega Seasonal Pollution
San Martín de la Vega 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 Madrid, Spain.
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Average EPA AQI
42
Rank 67 of 253 cities by average AQI
PM2.5
9.2
ug/m3 annualized city average
Seasonality
August
Cleanest: March
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Martín de la Vega
44
38
23
44
34
34
44
59
37
39
49
48
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For San Martín de la Vega, the current global analytics build covers 280 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.