The Air Resources Laboratory carries out research on processes that affect the quality of the atmosphere.

Central UV Cal Facility SURFRAD Network UV Information & Monitoring Research SRRB Anonymous FTP Click here if FTP link fails. New Solar Calculators -- Sunrise/Sunset, Solar Noon and Solar Position. Welcome to the Surface Radiation Research Branch The Surface Radiation Research Branch (SRRB) of NOAA's Air Resources Laboratory is located in Boulder, Colorado. It was founded by, and is under the ...