Winter pollution can smell musty, dank, dusty, smoky, or sulphuric – like a rotten egg. Leaving an unpleasant smell in our immediate surroundings. South Africans on the east coast, where it's humid year-round, and those in the Western Cape with its endless winter rain, know the musty smell well. But they may not know that the damp and mould causing the smell can also cause sinus congestion, respiratory issues, and allergies. This morning we look at the potential effects on our health.