Dessel Seasonal Pollution
Dessel usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Flanders, Belgium.
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Average EPA AQI
45
Rank 34 of 67 cities by average AQI
PM2.5
9.7
ug/m3 annualized city average
Seasonality
May
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Dessel
55
43
48
30
56
42
35
44
41
42
52
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Dessel, the current global analytics build covers 324 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.