Znojmo Seasonal Pollution
Znojmo usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Jihomoravský Kraj, Czech Republic.
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Average EPA AQI
56
Rank 22 of 61 cities by average AQI
PM2.5
13.5
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Znojmo
70
48
68
44
47
45
46
51
47
55
67
67
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Znojmo, the current global analytics build covers 283 daily rows from 2024-01-02 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.