The U.S. Environmental Protection Agency
estimated that in 2010 there were w160,000 premature deaths in
the U.S. due to PM2.5 exposure and w4300 deaths related to ozone
exposure.estimated between 130,000 and
340,000 PM2.5-related early deaths in 2005, and between 4700 and
19,000 ozone-related early deaths.