Taking aim at a form of air pollution that has long vexed Californians from Los Angeles to the Bay Area, the U.S. Environmental Protection Agency announced Wednesday that it was tightening national standards for fine particulate matter — a health threat that has been linked to lung and heart disease. “Today’s action is a critical step forward that will better …
A new report by the American Lung Association found that more than one in three Americans were exposed to unhealthy levels of air pollution between 2019 to 2021. Released on Wednesday, the 24th annual State of the Air report grades Americans' exposure to two of the nation's most pervasive air pollutants: ground-level ozone, an air pollutant that forms smog, and …
WASHINGTON — The Biden administration is proposing tougher standards for a deadly air pollutant, saying that reducing soot from tailpipes, smokestacks and wildfires could prevent thousands of premature deaths a year. EPA Administrator Michael Regan said the proposal to strengthen the national ambient air quality standards for fine particle pollution would help prevent serious health problems, including asthma attacks, heart …
