Bern Health Impact
Bern averaged 11.3 ug/m3 PM2.5, equal to 2.3x the WHO annual PM2.5 guideline and about 0.5 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Bern, Switzerland.
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Average EPA AQI
48
Rank 8 of 33 cities by average AQI
PM2.5
11.3
ug/m3 annualized city average
Seasonality
December
Cleanest: May
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bern
46
41
42
-
25
44
40
53
43
51
65
68
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Bern, the current global analytics build covers 296 daily rows from 2024-01-01 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.