• Solar and Infrared Radiation (NOAA ESRL GMD)
• CERES (Clouds' and Earth's Radiant Energy System) (NASA)
• GLOBE Sun Photometers (NSF / Drexel University)
• Ultraviolet-B (UV-B) Monitoring & Research Program (USDA / CSU)
• MLSO HAO (Mauna Loa Solar Observatory High Altitude Observatory)
• WMO Precision Filter Radiometer (PMOD WRC)
• Multi-Filter Rotating Shadowband Radiometer (MFRSR) Aerosol Monitoring Network (UH-Manoa / Albireo Endeavors / PNNL)
• Aeolian Dust Experiment on Climate Impact (MRI)
• retired Solar Turbidity (NOAA ESRL GMD)

See also Aerosols
See also NDACC