The paper presents the methodological approach of modeling the physical process of air pollution particles PM2.5-PM10 at extreme (extremely dangerous) road traffic and meteorological conditions, regulated in Russia by the scale of maximum one-time chemical pollution of atmospheric air. Describes the physical mechanism of formation and removal of particles from the surface of the roadway traffic flow model and their subsequent dispersion (spread) in a stratified atmosphere. Data are given of experimental investigations confirming the extreme (emergency) local air pollution on the roads suspended particles.
highway, vehicle, airborne particulates, hazardous air pollution, modeling
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