Graz Seasonal Pollution
Graz usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Vienna, Austria.
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Average EPA AQI
61
Rank 4 of 68 cities by average AQI
PM2.5
16.9
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Graz
80
70
64
43
49
51
51
51
45
58
80
76
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 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.