Mechelen Seasonal Pollution
Mechelen usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Flanders, Belgium.
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Average EPA AQI
43
Rank 39 of 67 cities by average AQI
PM2.5
9.1
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Mechelen
54
41
46
29
48
42
35
45
39
43
53
48
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Mechelen, the current global analytics build covers 304 daily rows from 2024-01-29 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.