Saint-Omer Health Impact
Saint-Omer averaged n/a ug/m3 PM2.5, equal to n/ax the WHO annual PM2.5 guideline. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Hauts-de-France, France.
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Average EPA AQI
11
Rank 251 of 272 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Saint-Omer
16
10
11
8
13
8
8
11
12
12
15
11
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Saint-Omer, the current global analytics build covers 262 daily rows from 2024-01-02 to 2024-12-09. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.