Martin Seasonal Pollution
Martin usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in June. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Žilina, Slovakia.
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Average EPA AQI
60
Rank 14 of 40 cities by average AQI
PM2.5
15.1
ug/m3 annualized city average
Seasonality
November
Cleanest: June
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Martin
70
55
62
57
50
48
55
57
53
60
76
68
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Martin, the current global analytics build covers 322 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.