Čadca Seasonal Pollution
Čadca usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Žilina, Slovakia.
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Average EPA AQI
60
Rank 13 of 40 cities by average AQI
PM2.5
15.1
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Čadca
95
65
71
59
48
47
50
50
54
60
75
74
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Čadca, 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.