In recent years a trend developing a seaside area as a new residential site has become common. However it is necessary to examine local characteristics, natural environment, living environment, safety and crime prevention. Some problems that must be solved became clear for the living conditions by the questionnaire that was filled out by residents at a seaside area. One of than is the damage from salty breezes from sea. Through the investigation of details and frequency of repairs for housing estates, it became clear that outside repair for housing at the seaside area was more frequent than for one at the inland. This paper describes the relationships between the concentration of the chloride ionic contained in atmosphere and atmospheric weather condition or space elements by examining sea water aerosol concentration which is to be a precondition against the damage from salty breezes. In this study, the survey area is the Hakata bay area, Fukuoka City, in Japan.
