The EPA says its plan could save thousands of lives each year.
setting the annual limit between 8-10 micrograms. It also recommended a 24-hour limit of 25-30 micrograms.
After breathing in particulate matter, the smallest particles can enter the lungs and even bloodstream. Short-term spikes in fine particulate matter have beento a higher risk of hospital admissions for cardiovascular disease and more severe asthma attacks in kids. Year-round exposure to particulate pollution has also been tied to children developing asthma and a heightened risk of heart attacks, strokes, and death from cardiovascular disease.
Some 63.2 million Americans, or nearly 20 percent of the population, live in counties that earned an “F” grade for spikes in particulate pollution, according to the American Lung Association’s. There are a lot of different sources of particulate matter — from cars and trucks to factories, power plants, and fires. Moreover, that pollution tends to hit certain communities the hardest. People of color are 3.
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