Jyllinge Seasonal Pollution
Jyllinge usually records its highest OpenAQ-derived EPA AQI in October and its cleanest month in September. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Sjælland, Denmark.
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Average EPA AQI
29
Rank 4 of 7 cities by average AQI
PM2.5
7.4
ug/m3 annualized city average
Seasonality
October
Cleanest: September
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Jyllinge
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1
34
30
28
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Jyllinge, the current global analytics build covers 96 daily rows from 2024-09-27 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.