Vannes Health Impact
Vannes averaged 8.1 ug/m3 PM2.5, equal to 1.6x 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 2 mapped monitoring locations in Bretagne, France.
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Average EPA AQI
40
Rank 72 of 272 cities by average AQI
PM2.5
8.1
ug/m3 annualized city average
Seasonality
January
Cleanest: August
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vannes
56
41
34
34
31
34
28
26
42
38
55
49
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Vannes, the current global analytics build covers 301 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.