Honestly.
The interesting thing is, during the next 5 days, the next one might not be just a contrail, but this ain't the Tipping Point. When destruction comes from the sky, it's going to be solar in nature, not chemical.
Relax. Go get some cash out of the ATM. Buy extra food. Get water filtration capability. Buy an extra box of ammo. Read a Bible verse.
But this ain't Defcon 4.
Frowning takes 68 muscles.
Smiling takes 6.
Pulling this trigger takes 2.
I'm lazy.