摘要：The effects of yellow sand dust to the atmospheric suspended particles in Osaka City have been discussed by using coarse particulate Ca2+/Fe ratio as a simple index. Although there are many studies about the chemical components and long distance transportation, the recent 3-year study suggested highly increase of intrusion of yellow sand dust into the life spaces. The results from Ca2+/Fe ratio in the general environmental monitoring site also shows the possibility to provide the information about the effect of yellow sand dust to the atmospheric particles quickly and easily.
