National Ambient Air Quality Standards (NAAQS)

Definition

NAAQS are the standards set by the Environmental Protection Agency (EPA) to regulate and limit the levels of pollutants in outdoor air that are harmful to human health and the environment.

Related terms

Particulate Matter (PM): Tiny particles suspended in the air, such as dust or soot, that can be harmful when inhaled.

Ozone (O3):

A gas formed from chemical reactions between sunlight and pollutants, which can cause respiratory issues and smog.

Carbon Monoxide (CO):

A colorless, odorless gas produced by burning fossil fuels that can be deadly when breathed in high concentrations.