Łódź Seasonal Pollution
Łódź usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in May. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Łódzkie, Poland.
Search city analytics
Average EPA AQI
57
Rank 62 of 155 cities by average AQI
PM2.5
14.3
ug/m3 annualized city average
Seasonality
December
Cleanest: May
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Łódź
68
62
73
45
38
48
41
48
56
62
72
74
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Łódź, the current global analytics build covers 364 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.