Belfort Seasonal Pollution
Belfort usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in August. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Bourgogne-Franche-Comté, France.
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Average EPA AQI
16
Rank 211 of 272 cities by average AQI
PM2.5
12.3
ug/m3 annualized city average
Seasonality
December
Cleanest: August
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Belfort
16
11
12
-
-
9
7
7
7
9
11
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Belfort, the current global analytics build covers 179 daily rows from 2024-01-02 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.