Indoor and Outdoor Air

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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.


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

Smoke-Free Housing

Small House

Many landlords and property managers are instituting a no-smoking clause to improve the health of their tenants and their bottom line. » More

Biobased Products


The use of biobased products can reduce indoor air pollutants harmful to lung health. Learn about their benefits and uses for your home or business. » More

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