Advice for the Day
If you have any sort of choice in the matter, don't clean out your attic on any day when it's going to be OMG hot all day, particularly when it involves handling fiberglass insulation.
But the really crappy part is done--I just need to sweep the stairs and a little bit in the attic--later. And I've taken my first (but almost certainly not my last) shower of the day so I am going to be optimistic and hope that will take care of the fiberglass (even though it probably won't). The rest of the day will be clean-up, pack-up, and, almost inevitably make a trip to Lowes.
But right now I'm going to sit down and watch Pinky and the Brain