To see whether car windows are protective boxer wachler took a uv a light meter to a number of los angeles car dealers on a cloudless may day in 2014.
Uv laminated car windows.
Uv rays can pass through clouds and glass.
Uv radiation levels are generally much lower inside the vehicle than outside in full sunlight.
The problem though is that windshields only protect the front side of your face.
However uva transmission depends on the type of glass.
Some automakers like hyundai and kia are already using higher spf glass not only because it protects against uv rays but also because it helps cool down the car and thus improves fuel efficiency.
Laminated glass is made from laminated plastic between two layers of glass which is known to block 98 99 of all uv light.
The side window of your car is made out of a different type of glass tempered glass.
And toyota switched to laminated glass for the front windows of.
Side and rear windows which usually have only a single layer of tempered glass may only block about 65 percent of incoming uv rays.
This exposure may prove especially damaging to long distance drivers.