Roeselare Seasonal Pollution
Roeselare usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Flanders, Belgium.
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Average EPA AQI
47
Rank 19 of 67 cities by average AQI
PM2.5
10.5
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Roeselare
56
44
51
31
55
46
38
42
47
50
55
52
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Roeselare, the current global analytics build covers 344 daily rows from 2024-01-01 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.