Nijmegen Health Impact
Nijmegen averaged 9.5 ug/m3 PM2.5, equal to 1.9x 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 2 mapped monitoring locations in Gelderland, Netherlands.
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Average EPA AQI
45
Rank 23 of 71 cities by average AQI
PM2.5
9.5
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Nijmegen
52
43
53
39
54
48
43
49
43
37
46
40
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Nijmegen, the current global analytics build covers 362 daily rows from 2024-01-03 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.