The answer to 'why is my hardwood floor dusty' is that hardwood floors can accumulate dust and dirt over time due to a few common causes. This can include not vacuuming or sweeping frequently enough, not using the right cleaning products, and even issues with the HVAC system circulating more dust in the air.
Some key symptoms of a dusty hardwood floor include a visible layer of fine dust, the floor feeling gritty underfoot, and increased dust in the air when walking on the floor. To solve this, you'll want to establish a regular cleaning routine, use the right cleaning tools and products, and consider any deeper issues that may be contributing to excess dust buildup.