Gonfreville-l’Orcher Seasonal Pollution
Gonfreville-l’Orcher usually records its highest OpenAQ-derived EPA AQI in June and its cleanest month in July. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Normandie, France.
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Average EPA AQI
12
Rank 240 of 272 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
June
Cleanest: July
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Gonfreville-l’Orcher
14
11
11
12
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14
11
12
14
12
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12
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Gonfreville-l’Orcher, the current global analytics build covers 307 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.