The AVO redoubt page has forecasts for upcoming days of ash movement dependent on the altitude of the ash:
http://www.avo.alaska.edu/activity/Redoubt.php
Redoubt is a bit further from Anchorage and thus less likely to put as much ash there as Spurr.
Wouldn’t be surprised if Spurr erupted again in the next couple of years - they had Spurr at Yellow for a long time a couple years ago, but no eruption. Still a decent amount of seismicity.
Air filters for just about anything are flying off the shelves in Wasilla, Walmart is sold out of face filters.I was in Anchorage when Spurr erupted in 1992 and watched people panicking when they could not get air filters for their cars, turned out the ash that fell was much larger than predicted, actually like small grape nuts sized.
So far it looks like its heading straight for where I live up near Houston, I think I am 140 miles NE of Redoubt.