Steenokkerzeel Seasonal Pollution
Steenokkerzeel usually records its highest OpenAQ-derived EPA AQI in November 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
42
Rank 45 of 67 cities by average AQI
PM2.5
8.8
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
Steenokkerzeel
-
-
44
28
49
42
32
41
39
41
51
47
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Steenokkerzeel, the current global analytics build covers 267 daily rows from 2024-02-29 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.