Abstract

Oladele A. Ogunseitan

It is the season to cover up. Beginning in November of every year and ending around March, fine particulate matter (typically 0.5 – 10 micrometers) emanating from the Sahara desert blow south, obscuring vision and laboring breathing for everyone (Figure 1). In addition, the dry dusty winds cause a variety of domestic inconveniences because of the layers of dust that envelope everything both outdoors and indoors. This is harmattan season, and it is ingrained in all West