Flers Seasonal Pollution
Flers usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in March. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Normandie, France.
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Average EPA AQI
36
Rank 120 of 272 cities by average AQI
PM2.5
7.7
ug/m3 annualized city average
Seasonality
November
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Flers
40
25
23
25
29
31
25
34
48
43
57
45
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Flers, the current global analytics build covers 336 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.