Graz Seasonal Pollution
Graz usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in August. The page uses OpenAQ-derived daily history for 10 mapped monitoring locations in Steiermark, Austria.
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Average EPA AQI
36
Rank 38 of 68 cities by average AQI
PM2.5
12.0
ug/m3 annualized city average
Seasonality
December
Cleanest: August
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Graz
32
60
50
27
23
27
19
14
15
22
59
66
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Graz, the current global analytics build covers 316 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.