Białystok Seasonal Pollution
Białystok usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Podlaskie, Poland.
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Average EPA AQI
57
Rank 60 of 155 cities by average AQI
PM2.5
13.6
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Białystok
70
56
69
54
53
51
43
50
60
59
62
62
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Białystok, the current global analytics build covers 365 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.