Koszalin Seasonal Pollution
Koszalin usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Zachodniopomorskie, Poland.
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Average EPA AQI
16
Rank 148 of 155 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Koszalin
15
15
25
16
16
13
11
13
18
16
15
13
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Koszalin, the current global analytics build covers 362 daily rows from 2024-01-03 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.