What i meant was, we aren't all going to be choked to death by the relatively miniscule amount of ash that's coming out of it, it won't make a huge difference to anything and will go away as quickly as it came, so don't shit brix just yet.
As for the planes, it's obvious (and has been said above, but in true T-F style i'll repeat it) It won't do a plane any good to fly through all the ash n' that coming out of the volcano. Granted it would probably be absolutely fine, but they can't risk it.