Not as bad as the Hayman fire in 2002, which was much closer to Denver and rained ash and the occasional cinder on the poor Queen City of the Plains for two or three days. It also melted metal into squirrel shapes, if you're interested in that sort of thing.
Today, you could definitely taste the smoke.
For comparison, Denver from almost the same spot, sans smoke:
Damn me if I know why the pic is so huge, or how to (de? un? dis?) embiggen it.