Indoor and Outdoor Air

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


Air pollution poses a serious threat to our nation's health and we're working to ensure that the air you breathe is clean and safe.  Our programs and initiatives help to proactively identify and reduce exposure to harmful air pollutants as we strive to create communities with healthier air indoors and out. Browse the links below to learn more about what we do, what we can do to help you and how you can help reduce air quality concerns in your area.

Clean Diesel

In the past, diesel engines have suffered from the stigma of being dirty polluters. Learn what we're doing to reduce these emissions. » More


Image of Radon Map

Radon is the leading cause of lung cancer in non-smokers and is responsible for approximately 21,000 lung cancer deaths each year. Learn about the dangers of radon and how to test and protect your home. » More

Iowa Radon Poster Contest

The 2015 Radon Poster Contest is an opportunity for students ages 9 to 14 to learn about radon and create posters for a chance to win $1,000. Winning posters from Iowa will be entered into the national contest. » More