Montbéliard Seasonal Pollution
Montbéliard usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Bourgogne-Franche-Comté, France.
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Average EPA AQI
42
Rank 48 of 272 cities by average AQI
PM2.5
9.5
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Montbéliard
61
45
49
32
24
30
29
31
37
42
58
57
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Montbéliard, the current global analytics build covers 306 daily rows from 2024-01-02 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.