Is 20% tint too dark for a Ford Edge?

[v8ismyheart]

Hey, y’all! Thinking about putting 20% tint on my Edge, but not sure if it’s gonna be too dark. I drive a lot at night, and I don't wanna feel like I’m in a cave. What’s everyone rolling with? Is 20% legal where you're at? Any issues seeing stuff at night? Appreciate any feedback!