Clean Air Act Overview

Clean Air Act

Legislation regulating air emissions to protect public health and the environment

Hazardous Air Pollutants

Toxic air pollutants harmful to human health and the environment

Clean Air Act

Legislation regulating air emissions to protect public health and the environment

Hazardous Air Pollutants

Toxic air pollutants harmful to human health and the environment

Criteria Air Pollutants

Common air pollutants regulated by the Clean Air Act due to their impact on health and the environment

Acid Rain

Result of sulfur dioxide and nitrogen oxide emissions reacting with water vapor in the atmosphere

Non-Attainment

Designation for areas not meeting National Ambient Air Quality Standards

National Ambient Air Quality Standards

Regulatory standards for outdoor air quality set by the Environmental Protection Agency

Title I

Clean Air Act section focusing on National Ambient Air Quality Standards and State Implementation Plans

Title III

Clean Air Act section addressing control of air pollution from hazardous air pollutants

Title II

Clean Air Act section targeting emissions from mobile sources and promoting clean fuels

Title IV

Clean Air Act section regulating acid rain through sulfur dioxide and nitrogen oxide emissions control

Title V

Clean Air Act section requiring operating permits for major sources of air pollution

Title VI

Clean Air Act section focusing on protection of the ozone layer

NAAQS

Abbreviation for National Ambient Air Quality Standards, setting limits on air pollutants

EJ Screen

Tool to assess environmental justice concerns in specific geographic areas

EPA ECHO

Database providing compliance information for stationary pollution sources

AirNow

Platform offering real-time air quality information for a given location