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Bookmark or Share- National Ambient Air Quality Standards (NAAQS) for PMRule Summary. On February 7, 2024, EPA strengthened the National Ambient Air Quality Standards for Particulate Matter (PM NAAQS) to protect millions of Americans from harmful and costly health impacts, such as heart attacks and premature death.
- National Ambient Air Quality Standards - WikipediaThe Clean Air Act requires the EPA to set US National Ambient Air Quality Standards (NAAQS) for the six CAPs. The NAAQS are health based and the EPA sets two types of standards: primary and secondary. The primary standards are designed to protect the health of 'sensitive' populations such as asthmatics, children, and the elderly.
- NAAQS Table | US EPANAAQS Table. The Clean Air Act, which was last amended in 1990, requires EPA to set National Ambient Air Quality Standards (40 CFR part 50) for six principal pollutants ("criteria" air pollutants) which can be harmful to public health and the environment.
- Reviewing National Ambient Air Quality Standards (NAAQS) | US EPAReviewing National Ambient Air Quality Standards (NAAQS): Scientific and Technical Information. EPA sets NAAQS for six principal pollutants, called "criteria" pollutants. Learn the levels of the current standards in a summary table.
- National Ambient Air Quality StandardsThe Clean Air Act Amendments of 1970 instruct the U.S. Environmental Protection Agency (U.S. EPA) to set primary National Ambient Air Quality Standards (NAAQS) to protect public health, and secondary NAAQS to protect plants, forests, crops and materials from damage due to exposure to six air pollutants.
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