Étampes Seasonal Pollution
Étampes usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in March. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Ile-de-France, France.
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Average EPA AQI
34
Rank 150 of 272 cities by average AQI
PM2.5
6.8
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Étampes
50
33
24
27
32
33
29
33
34
30
44
38
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Étampes, the current global analytics build covers 302 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.