Wierden Health Impact
Wierden averaged 12.4 ug/m3 PM2.5, equal to 2.5x the WHO annual PM2.5 guideline and about 0.6 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Overijssel, Netherlands.
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Average EPA AQI
51
Rank 18 of 71 cities by average AQI
PM2.5
12.4
ug/m3 annualized city average
Seasonality
May
Cleanest: July
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Wierden
49
49
58
47
75
62
35
36
43
44
51
52
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Wierden, the current global analytics build covers 339 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.