Břeclav Seasonal Pollution
Břeclav usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Jihomoravský Kraj, Czech Republic.
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Average EPA AQI
49
Rank 35 of 61 cities by average AQI
PM2.5
11.4
ug/m3 annualized city average
Seasonality
March
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Břeclav
59
39
59
39
40
39
51
56
42
50
57
57
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Břeclav, the current global analytics build covers 284 daily rows from 2024-01-01 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.