| annotation |
| documentation | -- Name --
regional background
-- Definition --
Regional background - Split of total regional background in µg/m³
The regional background level is the concentration of pollutants on a spatial scale of more than about 30 km.
It comprises contributions from outside the exceedance area, but also from sources within the exceedance area. The regional backbground has to be split, if appropriate data are available, into contributions from within the MS affected and transboundary contributions. |
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