Arashi's latest album, Boku no Miteiru Fuukei, has finally crossed the 1 million sales mark this past week. This is their second album to do this, the first was last years single collection, and the first original studio album of their to do so. It is also the only album in 2010 to have sold over a million copies and is the current yearly number 1 album of the year for the Oricon chart.
Tokyo Graph article. (English)
I have to say this is pretty impressive for Arashi, especially seeing as very albums these days sell over a million, and most tend to be single collections and other kinds of best of albums. It looks like 2010 could be dominated by the Storm like last year was.