Indoor Air Pollutants

This section highlights key sources of air pollutants and the possible related health risks, and gives tips for how to reduce their presence in indoor environments.

• Biological pollutants are living organisms like mould, bacteria and dust mites.
  
  
• Chemical pollutants are gases and particles that come from combustion appliances, tobacco smoke, household and personal care products, various building materials and outdoor air.

A lack of ventilation, especially in air-tight buildings, is a key factor that impacts the quality of indoor air.

• Learn more about potential health risks
• The Indoor Air Pollution Chase
• New information on Formaldehyde