Air Pollution in Urban Areas

Definition

Air pollution in urban areas refers to the presence of harmful substances and pollutants in the air within cities or densely populated areas. It is primarily caused by vehicle emissions, industrial activities, construction projects, and other human-related factors.

Related terms

Smog: Smog is a type of air pollution characterized by a mixture of smoke and fog. It often occurs in urban areas with high levels of vehicle exhaust emissions and can cause respiratory problems.

Particulate Matter (PM): Particulate matter refers to tiny particles suspended in the air, such as dust, soot, and pollen. These particles can be harmful when inhaled and contribute to respiratory issues.

Ozone Depletion: Ozone depletion refers to the thinning of the ozone layer in Earth's atmosphere. Urban air pollution can release substances that contribute to ozone depletion, which increases the risk of harmful ultraviolet (UV) radiation reaching the Earth's surface.