Vaulx-en-Velin Seasonal Pollution
Vaulx-en-Velin usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Auvergne-Rhone-Alpes, France.
Search city analytics
Average EPA AQI
21
Rank 198 of 272 cities by average AQI
PM2.5
2.8
ug/m3 annualized city average
Seasonality
March
Cleanest: September
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vaulx-en-Velin
28
19
30
-
-
19
18
15
12
16
27
22
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Vaulx-en-Velin, the current global analytics build covers 168 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.