Korydallós Seasonal Pollution
Korydallós usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Attikí, Greece.
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Average EPA AQI
65
Rank 3 of 22 cities by average AQI
PM2.5
18.0
ug/m3 annualized city average
Seasonality
December
Cleanest: December
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Korydallós
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65
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Korydallós, the current global analytics build covers 28 daily rows from 2024-12-04 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.