Lyon Health Impact
Lyon averaged 9.9 ug/m3 PM2.5, equal to 2.0x 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 Auvergne-Rhone-Alpes, France.
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Average EPA AQI
40
Rank 63 of 272 cities by average AQI
PM2.5
9.9
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lyon
66
41
32
29
28
28
36
34
27
34
58
61
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Lyon, the current global analytics build covers 334 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.