Skopje Seasonal Pollution
Skopje usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in May. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Skopje, North Macedonia.
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Average EPA AQI
73
Rank 4 of 13 cities by average AQI
PM2.5
21.5
ug/m3 annualized city average
Seasonality
February
Cleanest: May
Health indicator
1.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Skopje
113
123
68
58
52
57
56
60
59
-
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Skopje, the current global analytics build covers 247 daily rows from 2024-01-01 to 2024-09-20. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.