Stuttgart Seasonal Pollution
Stuttgart usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Baden-Württemberg, Germany.
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Average EPA AQI
46
Rank 35 of 297 cities by average AQI
PM2.5
10.1
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Stuttgart
61
42
54
38
35
45
40
42
45
47
52
53
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Stuttgart, the current global analytics build covers 343 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.