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


Preparing weather balloon for launch

ATDD techs prep weather balloon

Find out about ATDD’s Research


photo of student visit

Students and teachers get history lesson

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