Rambouillet Seasonal Pollution
Rambouillet usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Ile-de-France, France.
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Average EPA AQI
40
Rank 67 of 272 cities by average AQI
PM2.5
8.7
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Rambouillet
56
36
34
30
41
45
31
34
35
36
54
49
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Rambouillet, the current global analytics build covers 349 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.