The cold weather and the heavy amount of foggy dust in the air that can limit visibility and block the sun for several days, comparable to a heavy fog shows that the harmattan is here again.
Harmattan is a dry and dusty West African trade wind. It blows south from the Sahara into the Gulf of Guinea between the end of November and the middle of March. In most cases, humidity drops to as low as 15 per cent Celsius.
As a result of the dusty air, people who are asthmatic can have more attacks. There is also high rate of upper respiratory tract infections among people whereby people will be coughing, sneezing because of the dust. As much as possible, those who have air conditions can use them, but they must ensure they close their windows so that they are not exposed to dust.
