It's baaa-aaack

The smoke that went away yesterday has returned:

During the 7pm-11pm swath you see there, I was at Millennium Park listening to a really good performance of Fauré's Requiem, followed by watching the Navy Pier fireworks. We noticed the smoke, and I'm sure the Grant Park Chorus did too.

That said, this also happened:

Walking Cassie this morning was mostly pleasant, despite the smoke. The rest of the week might be cooler, too. So I'll take a bit more smoke for a day if we also get rid of the heat.