Glossary A
An Air Exchange Rate is the rate at which outside air replaces indoor air in a space. Expressed in one of two ways: the number of changes of outside air per unit of time air changes per hour (ACH);
Deutsch: Luftfiltration / Español: Filtración de aire / Português: Filtração de ar / Français: Filtration de l'air / Italiano: Filtrazione dell'aria
Air filtration is the process of removing particles, contaminants, and pollutants from the air using physical, chemical, or biological methods. In the environmental context, air filtration plays a crucial role in improving air quality by reducing harmful substances such as dust, pollen, smoke, bacteria, and volatile organic compounds (VOCs) from both indoor and outdoor environments. Effective air filtration is essential for protecting human health, preserving ecosystems, and mitigating the impacts of air pollution.
An Air Mass is a large volume of air with certain meteorological or polluted characteristics e.g., a Heat inversion or smogginess--while in one location.