Trbovlje Seasonal Pollution
Trbovlje usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in February. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Trbovlje, Slovenia.
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Average EPA AQI
41
Rank 10 of 17 cities by average AQI
PM2.5
12.2
ug/m3 annualized city average
Seasonality
December
Cleanest: February
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Trbovlje
28
24
29
42
37
38
44
42
33
24
77
77
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Trbovlje, 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.