Ełk Seasonal Pollution
Ełk 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 Warmińsko-Mazurskie, Poland.
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Average EPA AQI
48
Rank 85 of 155 cities by average AQI
PM2.5
10.6
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ełk
51
54
62
46
44
40
32
36
52
48
50
52
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ełk, the current global analytics build covers 356 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.