Mladá Boleslav Seasonal Pollution
Mladá Boleslav usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Středočeský Kraj, Czech Republic.
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Average EPA AQI
53
Rank 27 of 61 cities by average AQI
PM2.5
12.8
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mladá Boleslav
66
48
66
44
46
51
48
55
46
51
62
55
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Mladá Boleslav, the current global analytics build covers 280 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.