Rosendaël Seasonal Pollution
Rosendaël usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Hauts-de-France, France.
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Average EPA AQI
46
Rank 19 of 272 cities by average AQI
PM2.5
10.1
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Rosendaël
57
42
51
34
49
33
38
41
46
45
56
55
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Rosendaël, the current global analytics build covers 292 daily rows from 2024-01-02 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.