This is also true for non-airplane windows, said Dr. Jennifer Holman, a dermatologist with U.S. Dermatology Partners Tyler in Texas. “Most typical windows in a house or a car are going to filter out … like 97%, 98% of the UVB radiation, which is typically the wavelength that people think of that causes sunburns,” she said.
While windows block these rays, they don’t block all rays.