Dust & Dust Mites
Visible accumulation of dust on surfaces like furniture, electronics, and corners of rooms. Dust can aggravate allergies and asthma. Dust mites, which thrive in dust, can also cause allergic reactions and respiratory issues.
Optimal
Minimal dust accumulation; regular cleaning keeps dust in check.
Cautionary
Noticeable dust buildup on surfaces; dusting needed more frequently.
Hazardous / Out of Range
Thick layers of dust; dust mites visibly affecting allergy sufferers; infrequent cleaning.