Dust on the soles of shoes

Q: Is the dust on the soles of shoes pure or impure? When they are washed, they leave traces of mud on the floor, is it paak after drying and napaak when wet? 

A: The dust is paak.

And Allah Ta'ala (الله تعالى) knows best.

Answered by:

Mufti Ebrahim Salejee (Isipingo Beach)