Manya Rathore
Research expert covering India
Air pollution in the U.S. - statistics & facts
Industrialization and the growth of factories resulted in high levels of air pollution in the United States by the middle of the 20th century. But the implementation of environmental laws like the Clean Air Act of the 1970s and stricter air quality standards have led to vast improvements in the nation’s air quality. Nevertheless, air pollution remains a big concern in the U.S., causing tens of thousands of premature deaths every year.
