Bastogne Seasonal Pollution
Bastogne usually records its highest OpenAQ-derived EPA AQI in September 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
14
Rank 67 of 67 cities by average AQI
PM2.5
2.7
ug/m3 annualized city average
Seasonality
September
Cleanest: April
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bastogne
17
9
16
3
14
20
7
16
24
12
17
15
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Bastogne, 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.