The Atmospheric Turbulence and Diffusion Division (ATDD) is one of several field divisions of NOAA’s Air Resources Laboratory, headquartered in College Park, MD.
ATDD’s research is focused on air quality, climate, and dispersion-related research directed toward issues of national and global importance.


ATDD Research Facility

ATDD Research Facility

ATDD’s Mission/Vision Statement


chamber testing

Grad student taking soils measurements

Find out about ATDD’s Research


image of ATDD facility with student logos

ATDD Hosts Summer Intern Students

See latest news from ATDD


School children visit ATDD

ATDD Brings Kids to Work

Community Outreach