Contact Us about Particulate Matter (PM) Pollution

Information is also available for the following topics:

• Air quality and air monitoring data nationally and locally
• Environmental protection activities in your region
• Air inside your home or other indoor locations 
• Air pollution from transportation

​On particulate matter air pollution:

• Status and trends in particulate matter
• Ambient air monitoring networks for particulate matter 

For comments or questions on the national ambient air quality standards for PM more generally, please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.

Mailing Address:

Environmental Protection Agency
Office of Air and Radiation (OAR) 6101A
1200 Pennsylvania Avenue, N.W.
Washington, DC 20460