I was cleaning my wood pellet stove and the vacuum malfunctioned sending ashes throughout the room for about an hour or so before they dissipated. will there be any long-term effects from inhaling the ash particles? i only have a sore throat?

Luckily the human body is designed with a particle removal system in the lungs. Inhaled dust/pollen/germs and debris can all be trapped by a thin layer of moisture carried along the top of hair cells lining the inside of airways. Like waves of wheat blowing in the wind, these hair cells carry the debris out of the deep lung up to the throat where you cough them out or swallow. It should be fine.