Humenné Seasonal Pollution
Humenné usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Prešov, Slovakia.
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Average EPA AQI
62
Rank 10 of 40 cities by average AQI
PM2.5
16.1
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Humenné
79
77
72
49
50
58
60
59
48
49
78
63
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Humenné, the current global analytics build covers 338 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.