Otwock Seasonal Pollution
Otwock usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Mazowieckie, Poland.
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Average EPA AQI
67
Rank 12 of 155 cities by average AQI
PM2.5
18.5
ug/m3 annualized city average
Seasonality
December
Cleanest: July
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Otwock
72
62
84
60
55
53
49
52
63
75
88
95
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Otwock, the current global analytics build covers 362 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.