Winterthur Health Impact
Winterthur averaged 16.8 ug/m3 PM2.5, equal to 3.4x the WHO annual PM2.5 guideline and about 0.8 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Zurich, Switzerland.
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Average EPA AQI
33
Rank 17 of 33 cities by average AQI
PM2.5
16.8
ug/m3 annualized city average
Seasonality
December
Cleanest: May
Health indicator
0.8
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Winterthur
12
8
11
-
6
10
8
8
41
56
70
73
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Winterthur, the current global analytics build covers 245 daily rows from 2024-01-29 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.