Aalen Seasonal Pollution
Aalen usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Baden-Württemberg, Germany.
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Average EPA AQI
38
Rank 190 of 297 cities by average AQI
PM2.5
7.9
ug/m3 annualized city average
Seasonality
March
Cleanest: May
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Aalen
51
33
53
29
27
36
31
34
36
37
43
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Aalen, the current global analytics build covers 325 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.