Marche-en-Famenne Seasonal Pollution
Marche-en-Famenne usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Wallonia, Belgium.
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Average EPA AQI
25
Rank 61 of 67 cities by average AQI
PM2.5
5.0
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Marche-en-Famenne
36
21
25
12
27
28
15
31
26
21
31
23
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Marche-en-Famenne, the current global analytics build covers 327 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.