Smog

Definition

Smog refers to a type of air pollution that is characterized by a mixture of smoke and fog. It occurs when pollutants such as nitrogen oxides and volatile organic compounds react with sunlight, forming harmful ground-level ozone.

Related terms

Particulate Matter:

Tiny particles suspended in the air that can be inhaled into our lungs, causing respiratory problems.

Acid Rain:

Precipitation (rain, snow) that has become acidic due to pollutants like sulfur dioxide and nitrogen oxides mixing with water vapor in the atmosphere.

Photochemical Smog: A specific type of smog formed when sunlight reacts with pollutants emitted from vehicles and industrial activities.