Sered’ Seasonal Pollution
Sered’ usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in February. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Trnava, Slovakia.
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Average EPA AQI
52
Rank 29 of 40 cities by average AQI
PM2.5
12.7
ug/m3 annualized city average
Seasonality
January
Cleanest: February
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Sered’
72
39
54
41
48
53
58
59
40
47
63
64
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sered’, the current global analytics build covers 292 daily rows from 2024-01-29 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.