Le Havre Seasonal Pollution
Le Havre usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Normandie, France.
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Average EPA AQI
42
Rank 50 of 272 cities by average AQI
PM2.5
8.8
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Le Havre
56
35
33
34
38
41
32
40
44
42
52
50
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Le Havre, the current global analytics build covers 326 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.