To obtain a window glass for buildings having the surface hardly fouling and hardly sticking waterdrops thereto.

This window glass for buildings has a substantially transparent surface layer, containing photocatalytic oxide particles, a silicone and a water repellent fluororesin and formed on a substrate surface or has a substantially transparent surface layer, containing the photocatalytic oxide particles, amorphous silica and the water repellent fluororesin and formed on the substrate surface. The contact angle of the surface thereof with water is preferably ≥90°.