Boom Seasonal Pollution
Boom usually records its highest OpenAQ-derived EPA AQI in November 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
42
Rank 43 of 67 cities by average AQI
PM2.5
8.9
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Boom
49
38
43
26
48
41
37
41
39
42
49
46
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Boom, the current global analytics build covers 328 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.