Přerov Seasonal Pollution
Přerov usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Olomoucký Kraj, Czech Republic.
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Average EPA AQI
60
Rank 14 of 61 cities by average AQI
PM2.5
15.4
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Přerov
78
51
62
51
48
50
53
55
49
57
73
74
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Přerov, the current global analytics build covers 283 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.