Ertvelde Seasonal Pollution
Ertvelde usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in April. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Flanders, Belgium.
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Average EPA AQI
49
Rank 12 of 67 cities by average AQI
PM2.5
11.1
ug/m3 annualized city average
Seasonality
May
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ertvelde
52
45
54
35
59
52
43
48
47
50
55
53
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ertvelde, the current global analytics build covers 344 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.