| Concept URI | http://dd.eionet.europa.eu/vocabulary/aq/pollutant/6004 |
|---|---|
| Preferred label | PNSD - Particle Number Size Distribution |
| Definition | particle number size distribution (PNSD) is the frequency distribution of the particle number concentration represented as a function of the logarithm of particle size, such that the area under the distribution between two sizes is the number concentration of that size range. |
| Notation | PNSD |
| Status | Valid |
| Status Modified | 2025-08-03 |
| Accepted Date | 2025-08-03 |
| Not Accepted Date | |
| Recommended unit | |
| Mandatory unit |
European Environment Agency
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