Beauvais Seasonal Pollution
Beauvais usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Hauts-de-France, France.
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Average EPA AQI
35
Rank 137 of 272 cities by average AQI
PM2.5
10.3
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Beauvais
56
40
40
43
24
50
35
33
10
14
15
42
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Beauvais, the current global analytics build covers 280 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.