Działdowo Seasonal Pollution
Działdowo usually records its highest OpenAQ-derived EPA AQI in January 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
70
Rank 9 of 155 cities by average AQI
PM2.5
20.6
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Działdowo
108
92
100
72
50
46
31
39
55
68
81
81
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Działdowo, the current global analytics build covers 349 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.