Rouen Health Impact
Rouen averaged 9.0 ug/m3 PM2.5, equal to 1.8x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Normandie, France.
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Average EPA AQI
42
Rank 45 of 272 cities by average AQI
PM2.5
9.0
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
Rouen
60
40
40
32
36
35
32
37
43
42
55
55
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Rouen, the current global analytics build covers 330 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.