Flémalle-Haute Seasonal Pollution
Flémalle-Haute 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
31
Rank 54 of 67 cities by average AQI
PM2.5
6.5
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Flémalle-Haute
44
28
32
15
35
34
18
29
32
28
43
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Flémalle-Haute, the current global analytics build covers 326 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.