Weimar Seasonal Pollution
Weimar usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Thuringia, Germany.
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Average EPA AQI
45
Rank 43 of 297 cities by average AQI
PM2.5
10.1
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Weimar
50
35
60
36
41
43
34
46
49
48
53
48
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Weimar, the current global analytics build covers 350 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.