Székesfehérvár Seasonal Pollution
Székesfehérvár usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Fejér, Hungary.
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Average EPA AQI
52
Rank 24 of 43 cities by average AQI
PM2.5
12.8
ug/m3 annualized city average
Seasonality
November
Cleanest: May
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Székesfehérvár
69
55
57
40
33
39
36
34
41
56
76
76
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Székesfehérvár, the current global analytics build covers 343 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.