Hollabrunn Seasonal Pollution
Hollabrunn usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Niederösterreich, Austria.
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Average EPA AQI
37
Rank 36 of 68 cities by average AQI
PM2.5
8.5
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hollabrunn
58
35
50
26
31
31
23
24
25
41
49
40
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Hollabrunn, the current global analytics build covers 313 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.