During the event of dust storms, mud partic­les get mixed with the air and pollut­e the atmosp­hereKARACHI: A dust storm is caused when hot dry winds come before a big cold front. During the intense heat and a proximate rain system, dust from plains and plateaus start to rise and develop into the natural phenomenon of a dust storm. Consequently, the dust storm entered the city as well and reduced visibility. Dust storm batters lower SindhDuring the event of dust storms, mud particles get mixed with the air and pollute the atmosphere. The dust storm settles when the speed of winds begins to decrease.

Source: The Express Tribune April 16, 2019 04:17 UTC