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CadnaA 2018 Out now!

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Noise Mapping Austria
The strategic noise maps for all of Austria were calculated with CadnaA. more

Air Pollution Calculation

CadnaA with Option APL allows calculation, assessment and presentation of air pollutant distribution.
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View typical applications

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Option APL - Air Pollutants

Option APL enables the calculation, assessment and presentation of air pollutant distribution according to the relevant European guidelines. The results obtained can serve as the basis for action planning with regard to air pollution mitigation plans.

Option APL combines the user-friendly interface of CadnaA with the dispersion model AUSTAL2000, which is state-of-the-art air pollution modeling. Using the CadnaA PCSP technology (Program Controlled Segmented Processing) for full-automatic tiling, project distribution and processing on a network, the dispersion maps e.g. for traffic induced pollutants can be calculated for a project of any size.

CadnaA APL Video


Fields of Application

  • Calculation of air pollutant emission and immission in cities and urban areas
  • Prognosis of air pollutant emission and immission to assess mitigation plans for road traffic
  • Assessment of measures in the context of noise and air quality mitigation plans
  • Prognosis of air pollutant emission and immission by industrial sources

To view some typical applications click here.

 Distribution of fine particles along a main road
 Noise level grid Lden for the same section


  • Maps showing air pollutant distribution for different components (e.g. PM10 fine particles, NO2, NOX, SO2, benzene)
  • Meteorological time series with time dependant emission of point, line and area sources
  • Standardized emission factors for road traffic
  • Calculation of dispersion of pollutants with high resolution including the buildings and the terrain by using data from noise mapping
  • Calculation of large areas using the powerful PCSP technology
  • Grid arithmetic: superimposition of immission maps from several types of emission sources
  • Calculation of plant-specific immission impact in the vicinity including the effect of thermal boost (also when emitted via cooling towers)