Vienna Seasonal Pollution
Vienna usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 12 mapped monitoring locations in Wien, Austria.
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Average EPA AQI
52
Rank 8 of 68 cities by average AQI
PM2.5
13.1
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vienna
61
43
62
41
39
41
33
56
52
59
78
65
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vienna, the current global analytics build covers 361 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.