It's likely smoke, If your mainly in areas like texas or arizona, then your going to be dealing with smoke from canada, 'rado experienced it and it happened while I was on a trip in texas. Otherwise it's the sunset.
I think it's a wildfire. I live in long beach California and a long time ago the sky and sun turned red, it was also raining ash that looked like dandruff. Looked something like this.
Guys, the air outside has a reddish orange tint; I don't know what'll happen if I go outside and I'm literally overthinking the consequences of me going outside without a mask. I'm scared, horribly scared