country,” said lead researcher Majid Ezzati, chair of environmental health at the School of Public Health at Imperial College London.
Although PM2.5 levels have dropped overall since 1999, levels in many areas remain high, the researchers found.
And for the year 2015, the researchers extrapolated that air pollution still caused nearly 16,000 deaths in women and 15,000 in men in the United States.
These deaths were due to heart attacks and respiratory diseases such as asthma.
The deaths resulted in a lower life expectancy for both men and women, the researchers noted. Drops in life expectancy due to