In addition, for comparison with earlier measurements, the data shall be reported in
accordance with the old NO2-directive, i.e. the 98-percentile and the median of one
hour averages for all monitoring stations.
All information on air quality shall be available to the public and mass media. As
means to involve the public in the efforts to fulfil the aims of the FWD, responsible
authorities shall actively and regularly disseminate information on the air quality.
Appropriate ways can include e.g. summarising papers but also day-by-day reports in
newspapers, local radio and television or continuos screens presentations at public
locations etc. To improve the understanding and concern for air quality the
development of simple methods for school children, citizen groups etc. to study and
monitor the situation shall be encouraged (Nilsson, 1995).
The first stage of air quality management is a complete view of existing air quality.
The Member States should evaluate and interpret the data, to understand the
connection between sources and pollution patterns in time and space. Models - for
single sources, for example point sources and traffic exhausts - and multi-source
models - for large areas, urban or other - as well as indicative measurements are
valuable tools in this process. The zone of exceedance is a key quantity to be assessed.
The models to be used for assessment of the air quality can also be used for planning,
i.e. calculations on different emission scenarios. These could be used for selection of
different measures to be taken for improvement of the air quality and for assessments
of the effects of already taken actions. In addition, they can be used for prognoses for
the air quality based on meteorological forecasts.
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castellano: DISPER CUSTIC DESCAR RADIA italiano:
deutsch: DIS CUS DES RAD
castellano: DIS CUS DES RAD english: DIS CUS DES RAD
português: DIS CUS DES RAD italiano: DIS CUS DES RAD
français: DIS CUS DES RAD