What is the Clean Air Act?

The Clean Air Act (CAA) is a federal law designed to protect the air quality in Washington and across the United States. The CAA sets limits on air pollutants, such as sulfur dioxide, carbon monoxide, ozone, and particulate matter. Additionally, the CAA also sets standards for motor vehicle emission control, new motor vehicle standards, and levels of lead pollution. Under the CAA, the U.S. Environmental Protection Agency (EPA) is responsible for setting and enforcing national ambient air quality standards. When necessary, the EPA can also set standards for hazardous air pollutants. The states are responsible for implementing the CAA and for developing plans to meet the national standards. To meet these standards, states may require local businesses to obtain permits, reduce industrial emissions, and institute other pollution control measures. In addition, the CAA allows states to adopt additional air pollution control measures that go beyond the CAA’s requirements. For example, Washington has adopted measures to reduce smog and other emissions from power plants, factories, and other sources. In summary, the Clean Air Act is a federal law designed to protect air quality, reduce hazardous air pollutants, and hold businesses accountable for their emissions. Its implementation is overseen by the EPA and enforced by the states. Its rigorous set of standards and regulations help ensure the air we breathe is safe and healthy.

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What is the Clean Air Act?

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