Malacky Seasonal Pollution
Malacky 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 Bratislava, Slovakia.
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Average EPA AQI
46
Rank 39 of 40 cities by average AQI
PM2.5
10.2
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Malacky
83
48
59
43
36
41
39
41
41
44
58
54
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Malacky, the current global analytics build covers 293 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.