Clermont-Ferrand Seasonal Pollution
Clermont-Ferrand usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in March. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Auvergne-Rhone-Alpes, France.
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Average EPA AQI
33
Rank 166 of 272 cities by average AQI
PM2.5
6.9
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Clermont-Ferrand
50
36
18
24
19
21
33
33
26
25
43
46
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Clermont-Ferrand, the current global analytics build covers 285 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.