Salgótarján Seasonal Pollution
Salgótarján usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Nógrád, Hungary.
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Average EPA AQI
17
Rank 38 of 43 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
November
Cleanest: May
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Salgótarján
22
16
17
14
13
15
16
18
15
17
23
22
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Salgótarján, the current global analytics build covers 327 daily rows from 2024-01-01 to 2024-12-16. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.