Weiz Seasonal Pollution
Weiz usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in September. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Steiermark, Austria.
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Average EPA AQI
45
Rank 19 of 68 cities by average AQI
PM2.5
10.5
ug/m3 annualized city average
Seasonality
December
Cleanest: September
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Weiz
60
47
52
32
29
34
38
38
26
42
59
62
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Weiz, the current global analytics build covers 314 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.