Langen Health Impact
Langen averaged 10.5 ug/m3 PM2.5, equal to 2.1x 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 2 mapped monitoring locations in Lower Saxony, Germany.
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Average EPA AQI
21
Rank 259 of 297 cities by average AQI
PM2.5
10.5
ug/m3 annualized city average
Seasonality
November
Cleanest: July
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Langen
14
13
21
12
14
13
10
14
15
31
42
41
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Langen, the current global analytics build covers 328 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.