• CLidar (CCD Camera Lidar) (NOAA ESRL / CCSU)
• Radon-222 Monitoring (ANSTO)
• Atmospheric Research - Greenhouse Gases (CSIRO)
• U.S. Climate Reference Network (CRN)
• Global Atmosphere Passive Sampling (GAPS) Network (EC)
• Aerosol Light Absorption Aethalometer (EPA)
• Elemental, Particulate, and Reactive Gaseous Mercury Monitoring (EPA)
• upcoming Mercury Precipitation Collection (EPA)
• Ambient Ion Monitor (EPA)
• Dichotomous Partisol Measurements (EPA)
• Sequential Fine Particle Sampler (EPA)
• Sulfur Dioxide Monitoring (EPA)
• Surface Ozone Measurements (EPA)
• National Satellite Test Bed at Mauna Loa (FAA)
• Global Positioning System (GPS) Meteorology (FSL)
• Groundwinds Lidar System (UNH)
• Earthquake Seismometer (USGS / HVO)
• Tilt and Strain Measurements(USGS / HVO)
• IMPROVE (Interagency Monitoring of Protected Visual Environments) (UC-Davis)
• AERONET (Aerosol Robotic Network) (NASA)
• CERES (Clouds' and Earth's Radiant Energy System) (NASA)
• Pohakuloa Training Area Range Surveillance System (PMRF)
• Measurements of 14CO in the NH Tropics (NSF)
• GLOBE Sun Photometers (NSF / Drexel University)
• Maximum / Minimum Temperature & Precipitation (NWS)
• ROSA Maximum / Minimum Temperature & Precipitation (NWS)
• Carbon Dioxide (CO2) Measurements (Scripps)
• Oxygen (O2) Concentration Measurements (Scripps)
• upcoming Chemical and Isotopic Studies of Atmospheric Aerosol Sources, Transport and Evolution (UC-San Diego)
• Measurements of Free Tropospheric Nitric Acid and Aerosols (UH-Manoa)
• High-Altitude Environment Corrosion Project (UH-Manoa)
• Comparison of Aerosol Organic Carbon Measurements and Models in the Free Troposphere (UH-Manoa)
• VYSOS (The Variable Young Star Optical Survey) (UH-Manoa)
• Ultraviolet-B (UV-B) Monitoring & Research Program (USDA / CSU)
• upcoming CRONUS - Earth (Cosmic Ray Produced Nuclide Systematics on Earth) (University of Arizona)
• Long Term Brewer Calibrations (NDACC / AES)
• FTIR (Fourier Transform Infrared Spectroscopy) Monitoring (NDACC / U-Denver)
• Lidar: Stratospheric Ozone, Temperature, and Aerosol Profiles (NDACC / NASA JPL)
• Microwave Measurements of Ozone (NDACC / U-Mass / NIWA)
• Bromine Oxide Monitoring (NDACC / NOAA ESRL / NIWA)
• Nitrous Oxide Monitoring (NDACC / NOAA ESRL / NIWA)
• Ultraviolet Spectroradiometer (NDACC / NOAA ESRL / NIWA)
• Water-Vapor Mm-Wave Spectrometer (NDACC / NRL / NASA)
• Multi-Filter Rotating Shadowband Radiometer (MFRSR) Aerosol Monitoring Network (UH-Manoa / Albireo Endeavors / PNNL)
• Aeolian Dust Experiment on Climate Impact (MRI)
• U.S. Climate Reference Network (CRN)
• WMO Precision Filter Radiometer (PMOD WRC)
• retired Relationships Between Mineral Dust and Radionuclides from Historical Nuclear Weapons Tests (NMSU)
• retired Ion Exchange Column (DHS / USDE)
• retired Radio Nuclide Program (DHS / USDE)
• retired Variability in Accretion Rate of Interplanetary Dust Using 3He as Tracer (NASA/ Cal-Tech)
• retired VOGNET (NOAA ESRL / OAR / DOE / HPA)