Čačak Seasonal Pollution
Čačak usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Čačak, Serbia.
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Average EPA AQI
73
Rank 21 of 28 cities by average AQI
PM2.5
22.1
ug/m3 annualized city average
Seasonality
November
Cleanest: September
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Čačak
-
95
71
54
45
48
48
61
44
83
125
114
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Čačak, the current global analytics build covers 269 daily rows from 2024-01-06 to 2024-12-27. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.