Ash and particulate from a wildfire obscure the Los Angeles skyline as seen from Griffith Observatory in August 2021. (Brian van der Brug / Los Angeles Times) Declaring that current standards are no ...
The Environmental Protection Agency announced a new rule on Wednesday to significantly reduce the level of air pollution known as particulate matter (PM) by updating the national air-quality ...
Late last week, the Environmental Protection Agency proposed tighter limits to one of the country’s most dangerous air pollutants: fine particulate matter, or soot. But while the long-awaited move ...
The health effects linked to particulate pollution exposure have been studied and documented for decades. These effects include respiratory and cardiovascular health problems and premature death.