Riom Seasonal Pollution
Riom usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in May. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Auvergne-Rhone-Alpes, France.
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Average EPA AQI
10
Rank 262 of 272 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
January
Cleanest: May
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Riom
24
13
7
10
7
8
9
9
8
9
16
14
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Riom, the current global analytics build covers 223 daily rows from 2024-01-29 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.