Air Pollution Regulations and Laws

Air pollution in Louisville is controlled by both laws and regulations.

  • Laws are the acts, statutes, and ordinances passed by elected officials to govern an issue. For example, the Clean Air Act is a federal law that governs air pollution.
  • Regulations are procedures and standards created by a government agency, with input from the public, to implement laws. Regulations are generally more specific than laws. For example, the Clean Air Act requires that National Ambient Air Quality Standards (NAAQS) be set, but the actual standards are set in federal regulations.

Below are links to local, state, and federal air pollution control laws and regulations.

APCD Regulations

APCD regulations are adopted by the Air Pollution Control Board under the authority of Kentucky Revised Statutes Chapter 77.

Part 1: General Provisions
Part 2: Permit Requirements
Part 3: Ambient Air Quality Standards
Part 4: Emergency Episodes
Part 5: Standards for Toxic Air Contaminants and Hazardous Air Pollutants
Part 6: Standards of Performance for Existing Affected Facilities
Part 7: Standards of Performance for New Affected Facilities


If you have problems viewing these regulations, please contact us.

STAR Program

The Strategic Toxic Air Reduction Program (STAR) is an Air Pollution Control District regulatory program to reduce harmful contaminants in the air we breathe, to better protect public health and enhance quality of life.

Visit our STAR Program pages for more information on controlling toxic air pollution in Louisville.

State Implementation Plan

Other Applicable Regulations

Other Applicable Laws

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