Abstract. Numerical model for simulation and evaluation
of summer episodes of anthropogenic surface ozone
(summer smog episodes) is presented in this article. This
model has been used for special air-pollution studies in
the region of Prague (central part of Bohemia - the Czech
Republic). It is based on so called “puff model” technology
and lagrangian method of trajectories construction in
the boundary layer of atmosphere is applied. Processes of
turbulent dispersion of puffs, photochemical and other
chemical transformations and deposition of compounds
on the earth surface are also taken into account. System of
equations used for chemistry description of the model is
presented here in details and a brief informative presentation
of model results is also included.