Auxerre Seasonal Pollution
Auxerre usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Bourgogne-Franche-Comté, France.
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Average EPA AQI
37
Rank 109 of 272 cities by average AQI
PM2.5
7.7
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Auxerre
59
38
35
-
26
24
30
31
34
29
47
42
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Auxerre, the current global analytics build covers 264 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.