Cieszyn Seasonal Pollution
Cieszyn usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in June. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Śląskie, Poland.
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Average EPA AQI
52
Rank 78 of 155 cities by average AQI
PM2.5
16.0
ug/m3 annualized city average
Seasonality
November
Cleanest: June
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cieszyn
68
54
54
55
53
27
52
30
33
60
73
63
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cieszyn, 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.