View frequent questions or ask a question

Find answers to frequently asked questions, or leave a question or comment.

Contact us by mail or fax

Mail:
U.S. EPA 
Office of Air Quality Planning and Standards (OAQPS)
Information Transfer Group
Mail Code C404-07
Research Triangle Park, NC 27711
Fax:
(919)541-0242

Contact the Office of Indoor Air

For questions or comments regarding indoor air quality such as mold, radon, asthma, second-hand smoke and air cleaning devices, please contact the U.S. EPA Office of Indoor Air Quality.

Submit an environmental complaint

Please contact your local air pollution agency. (Exit AirNow)