What is Indoor Environmental Quality?

Based on the CDC definition, Indoor environmental quality (IEQ) refers to the quality of a building’s environment concerning the health and wellbeing of those who occupy space within it.
IEQ is determined by many factors, including lighting, air quality, and damp conditions. Numerous potential contaminants can be identified inside a building, including mold, asbestos, lead-based paint, radon gas, volatile organic compounds, etc.