Łęczyca Seasonal Pollution
Łęczyca usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in August. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Łódzkie, Poland.
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Average EPA AQI
17
Rank 141 of 155 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
March
Cleanest: August
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Łęczyca
19
16
27
15
16
14
15
14
22
16
18
20
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Łęczyca, the current global analytics build covers 361 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.