In the highly secularized USA, if you were to ask people on the street what day is today, most will answer "Thursday." A handful will answer with a "lemme think" and a blank stare.
The holy day is only meaningful to observant Catholics and a handful of Protestant churches that might follow some sort of liturgical calendar paralleling the Roman Catholic one. Not much of a public celebration here, I am sad to report.
-Theo
Unfortunately, only a handful of Catholic dioceses in the US now even celebrate today as the Ascension. Ironically, the few dioceses which did not cave into "Ascension Sunday" madness are all located in the liberal Northeast with the exception of Lincoln, NE.
Happy Feast of Ascension to you!