Ahead of the International Day of Clean Air, here’s a look at what causes air pollution, what it does to people and how the world can rein it in.

Air pollution has been tied to Alzheimer’s disease. Here’s what you need to know - ‘Air pollution doesn’t just increase the ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.

Epidemiological studies have linked dirty air to dementia and other brain disorders. Now researchers are trying to determine how pollutants do their damage, and how much harm they cause.

A new study reveals oil and gas pollution causes thousands of deaths and illnesses each year, hitting communities of color ...

City officials are saying what's not in the air. However, health and air quality experts say we don't know what is in it until tests are complete.

Air quality is uniquely terrible after all those official and illegal fireworks are detonated to celebrate Independence Day. What exactly is in the air and what should you do about it?

Doctors, environmental groups and residents are trying to determine if there is a causal connection between pollutants from the steel industry and rates of cancer in Gary.

Once among world’s most-polluted cities, Mexico City has made major strides in air quality through policy, technology and ...

Both companies have filed applications for air permits with the Colorado Department of Public Health and Environment’s Air ...