The results of registration of intensity of an electrical field of an atmosphere and electrical conductivity of air received by the author the period of two sea expeditions on a vessel are analyzed, with the purpose of influence of coast on the electrical characteristics of the atmosphere. Is shown, that an electrical field and atmosphere of air are much various in open parts of oceans and at coast. At coast at the expense of aerosol pollution electro conductivity is appreciably reduced, atmospheric electric field potential of an electrical field grows.