Valjevo Seasonal Pollution
Valjevo usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Valjevo, Serbia.
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Average EPA AQI
90
Rank 3 of 28 cities by average AQI
PM2.5
30.3
ug/m3 annualized city average
Seasonality
December
Cleanest: September
Health indicator
1.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Valjevo
-
118
96
69
59
62
57
67
54
96
143
144
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Valjevo, the current global analytics build covers 273 daily rows from 2024-01-06 to 2024-12-29. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.