Pezinok Seasonal Pollution
Pezinok usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Bratislava, Slovakia.
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Average EPA AQI
56
Rank 22 of 40 cities by average AQI
PM2.5
13.9
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Pezinok
97
53
60
45
45
52
54
55
45
51
72
71
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Pezinok, 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.