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Migration of heavy metals from the column water through surface microlayer (SML), then to marine aerosol (MA) follows three main ways. The surface flux from wind blow, bubble braking mechanism and spontaneous emission. These processes contribute enrichment of MA with chemical compounds (including HM) with respect to column water. Transference and concentration of toxicants from ocean surface to the low atmosphere can cause significant contamination of air in coastal zones. Toxicity of marine aerosols in coastal cities is the main factor of pulmonary and allergic diseases growth. Nanoparticles are the basic form of transportation of biotoxins. It is well-known that marine biotoxins, forming during degradation of marine ecosystems, are the menace to human health. Viruses are also belongs to this type of nanoparticles. Sedimentation speed of nanoparticles is negligible. Concentration of biogenic nanoparticles in the lowest layer of atmosphere of southern Atlantics (in 2008) was established. Content was evaluated, using Fabry-Perot interferometer, methods for the quantitative determination of aerosoled DNA of marine heterotrophic bakterioplankton and peptide analysis. Concentration may rise to more 1015 m-3.