hengitettävään
Hengitettävään refers to anything that can be inhaled or breathed in. This broad term encompasses a range of substances and particles present in the air. In the context of health and environmental science, the focus is often on airborne particles, known as particulate matter (PM), that can be drawn into the lungs when a person breathes. The size of these particles is crucial, as smaller particles, such as PM2.5 (particles with a diameter of 2.5 micrometers or less), can penetrate deeper into the respiratory system.
Beyond particulate matter, hengitettävään also includes gases, vapors, and aerosols. These can originate from various sources,