Coulommiers Health Impact
Coulommiers averaged 9.2 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 Ile-de-France, France.
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Average EPA AQI
43
Rank 43 of 272 cities by average AQI
PM2.5
9.2
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Coulommiers
62
43
42
38
37
34
31
35
37
42
54
49
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Coulommiers, the current global analytics build covers 305 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.