Oullins Seasonal Pollution
Oullins usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in August. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Auvergne-Rhone-Alpes, France.
Search city analytics
Average EPA AQI
51
Rank 9 of 272 cities by average AQI
PM2.5
12.1
ug/m3 annualized city average
Seasonality
January
Cleanest: August
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Oullins
67
51
45
-
-
44
39
37
42
38
64
60
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Oullins, the current global analytics build covers 171 daily rows from 2024-01-02 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.