Bydgoszcz Seasonal Pollution
Bydgoszcz 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 Kujawsko-Pomorskie, Poland.
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Average EPA AQI
59
Rank 53 of 155 cities by average AQI
PM2.5
15.0
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bydgoszcz
71
64
80
53
53
51
46
50
58
63
64
59
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Bydgoszcz, 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.