Aaron Szabo will step down as the head of the Environmental Protection Agency’s air office this month, he told employees, ...

Babies exposed to higher levels of neurotoxin more likely to have difficulty controlling impulses later, research shows ...

Air quality is linked to a wide range of health issues including respiratory problems, cardiovascular complications, and ...

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

An imaging study found early signs of coronary artery disease in people in Canada breathing air that regulators consider ...

The Fourth of July fireworks display in the capital impacted the amount of fine particulate matter in the atmosphere.

Groups filed a lawsuit against the EPA saying the agency failed to adhere to provisions under Clean Air Act when considering a steel maker's permit.

A "purple" air quality alert was issued for Washington, D.C., and surrounding areas, on Sunday, meaning pollution reached ...

Air pollution may switch off genes that make healthy sperm, scientists have discovered. Previous studies have shown that men living in polluted areas had poorer sperm quality and higher levels of ...

Hazardous levels of air pollution are expected across central and southern Los Angeles County, northern Orange County, ...

The State of the Air report ranks Eugene-Springfield as polluted. That may shock residents, so here's what's behind the ...

The chief air pollution regulator at the US Environmental Protection Agency is resigning.