The quality of the indoor air depends on various parameters such as ventilation, temperature, and humidity, and its general cleanliness, which is influenced by material and chemical emissions and by the life-styles of the occupants. Building characteristics play an important role, and are decisive for the prevention of respiratory diseases, asthma, allergies and other health symptoms.
The question of indoor air quality has become even more relevant with the current trends towards energy-saving homes, which are based on very tight building structures and may lead to insufficient air exchange rates. The effects of this will be the accumulation of indoor air pollutants, and an increased risk of mould growth - both leading to a variety of adverse health effects.
 | Damp and mould in homes - technical interventions and policy action | |
| WHO Air quality programme including indoor air quality guidelines | |
