Actual conditions of living environments in evacuative gymnasiums at off site

Measurements of thermal and air environments and hearing investigations were conducted in 2 gymnasiums of N city in Niigata prefecture where approximately 250 evacuees from Fukushima prefecture had stayed for 1.5 months. The following problems were posed through a group life: Sleeplessness occurred by noises of snores and footsteps, poor physical conditions created by infectious diseases and fatigue, cold thermal sensations caused by cold-radiation from floors and air movement, uneasiness stunk by body smell, and air pollution generated by closed environments. Some solutions were using heat-insulating materials could reduce cold-radiation from floors, wearing masks could moisten evacuee's throat and ventilation.