Yes, Brazils Bossa Nova Granite can be used for exterior applications in dusty climates. Granite is a durable and low-maintenance material that is well-suited for outdoor use. It is resistant to dust, dirt, and other environmental factors, making it suitable for use in dusty conditions. Additionally, Bossa Nova Granite, with its unique blend of black, gray, and white colors, can enhance the aesthetic appearance of exterior spaces while still offering the necessary durability. However, regular cleaning and maintenance may be required to keep the surface free of dust and dirt buildup, especially in dusty climates.