Baltic Grey Ceramic is a type of ceramic tile that is commonly used for both interior and exterior applications. However, its suitability for use in very dusty climates may depend on a few factors.

Ceramic tiles are generally durable and can withstand a range of environmental conditions, including dust. However, it is worth considering the specific characteristics of the Baltic Grey Ceramic tile and the dust levels in your particular climate.

Baltic Grey Ceramic is often designed with a glazed finish, which provides an additional layer of protection against wear and tear, including dust accumulation. The glaze helps to create a smooth, non-porous surface that is easy to clean and less likely to trap dust particles.

That said, even with a glazed finish, excessive dust accumulation over time can potentially impact the appearance of the tile, especially if the dust is coarse or contains abrasive particles. Regular cleaning and maintenance practices would be necessary to prevent a build-up of dust on the tiles surface.

Furthermore, the style and texture of Baltic Grey Ceramic might affect its maintenance requirements in dusty climates. For example, if the tile has a textured or uneven surface, dust particles may accumulate in the crevices and be harder to remove.

In conclusion, Baltic Grey Ceramic tiles can generally be used in exterior applications in dusty climates due to their durability and glazed finish. However, regular cleaning and maintenance would be essential to keep the tiles looking their best and to prevent dust build-up on the surface.