“State of the Air” uses letter grades to measure unhealthy levels of ground-level ozone air pollution (also known as smog), ...

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...

Nearly half of Americans are living in places that get failing grades for unhealthy levels of ozone or particle pollution, ...