Schwechat Seasonal Pollution
Schwechat usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Niederösterreich, Austria.
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Average EPA AQI
43
Rank 25 of 68 cities by average AQI
PM2.5
9.7
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Schwechat
57
36
53
33
33
36
30
34
31
47
59
54
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Schwechat, the current global analytics build covers 315 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.