Kalisz Seasonal Pollution
Kalisz usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Wielkopolskie, Poland.
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Average EPA AQI
68
Rank 11 of 155 cities by average AQI
PM2.5
18.5
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kalisz
78
70
88
59
57
56
50
57
64
71
78
83
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Kalisz, the current global analytics build covers 363 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.