Neunkirchen Seasonal Pollution
Neunkirchen usually records its highest OpenAQ-derived EPA AQI in August and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Niederösterreich, Austria.
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Average EPA AQI
59
Rank 5 of 68 cities by average AQI
PM2.5
16.5
ug/m3 annualized city average
Seasonality
August
Cleanest: April
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Neunkirchen
75
43
60
38
51
54
53
85
47
64
85
69
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Neunkirchen, the current global analytics build covers 328 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.