以變異數分析(Analysis of Variance )比較台灣地區各主要縣市間粒狀物質污染包括懸浮微粒( Suspended Particulate )，落塵量( Dust Fall )及煤煙濃度( Coefficient of Haze )之差異性以及檢視歷年來變化情形，同時參照國內及美國之空氣品質標準做一客觀之評估。 Test the significant difference of particulates pollution include suspended particulate, Dust Fall and Coefficient of Haze which between the main locality in Taiwan area are compared by analysis of variance.
In accordance with the criteria of R.O.C. and U.S Ambient Air Quality Standard, we intend to discuss the changes in concentrations of particulates pollution over the last eleven years or more
