Debrecen Seasonal Pollution
Debrecen usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in May. The page uses OpenAQ-derived daily history for 9 mapped monitoring locations in Hajdú-Bihar, Hungary.
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Average EPA AQI
83
Rank 2 of 43 cities by average AQI
PM2.5
26.3
ug/m3 annualized city average
Seasonality
November
Cleanest: May
Health indicator
1.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Debrecen
105
95
76
58
54
64
70
67
65
95
124
117
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Debrecen, the current global analytics build covers 366 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.