Cherbourg Seasonal Pollution
Cherbourg usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Normandie, France.
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Average EPA AQI
37
Rank 111 of 272 cities by average AQI
PM2.5
7.4
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Cherbourg
44
34
35
34
40
33
31
36
37
35
45
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Cherbourg, the current global analytics build covers 303 daily rows from 2024-01-29 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.