Poznań Seasonal Pollution
Poznań usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Wielkopolskie, Poland.
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Average EPA AQI
64
Rank 31 of 155 cities by average AQI
PM2.5
17.0
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Poznań
72
74
92
57
54
52
45
51
59
65
71
70
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Poznań, the current global analytics build covers 364 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.