Wildfires are increasingly contributing to unhealthy air
The rising number of fires hamper decades of environmental efforts, and over 40% of Americans — more than 137 million people — live in places with poor air quality, a new report says.
Despite decades of environmental efforts, over 40% of Americans — more than 137 million people — live in cities and states with poor air quality, a new report says. And, in addition to cars and factories, wildfires are increasingly contributing to unhealthy air.
For the past 22 years, the American Lung Association has produced its annual , which analyzes the air quality on
