Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution ... When that combined with normal pollution levels, street vendors, other outdoor workers ...

Air pollution levels keep getting worse for more people in the U.S., according to a new report, and experts say the Trump administration’s proposed deregulation plans will make it even harder ...

and Cincinnatians are among those experiencing some of the worst air pollution in the U.S. The American Lung Association released its 26th annual State of the Air report Wednesday, which shows ...

but nearly half of Americans still live with unhealthy air pollution, a new report finds. The report comes as the Trump administration is considering rolling back some key air quality regulations.