Particulate matter (PM)

Definition

Particulate matter refers to tiny solid or liquid particles suspended in the air, such as dust, soot, and smoke. These particles can be harmful when inhaled and contribute to air pollution.

Related terms

Air Pollution:

The presence of harmful substances in the air that can negatively impact human health and the environment.

Respiratory Conditions: Medical conditions affecting the respiratory system, such as asthma or chronic bronchitis, which can be worsened by exposure to particulate matter.

Soot: Black carbon particles produced by incomplete combustion of fossil fuels or biomass burning. Soot is a type of particulate matter that contributes to air pollution.