An air treatment device includes a housing defining an air flow path between an inlet and an outlet, an air flow impeller arranged to guide a flow of air through the air flow path, a hanger And an electrode assembly that is lowered and oriented across the induction air flow path, the electrode assembly being configured to operably generate a plasma discharge about a longitudinal axis of the electrode assembly in a circumferential direction , Particles or air components in the flow of induced air will be exposed to the plasma.