• Mauna Loa
    Photograph by Forrest Mims III
  • John Chin and Dave Keeling
    Photograph by Forrest Mims III
  • Lidar
    Photograph by Forrest Mims III
  • Road to Mauna Loa
    Photograph by Darryl Kuniyuki
  • Water Vapor Balloon Flight
    Photograph by Forrest Mims III
  • Sun Sensor
    Photograph by Forrest Mims III
  • Mauna Loa Sunset
    Photograph by Forrest Mims III
  • Tower
    Photograph by Forrest Mims III

Mauna Loa Observatory (MLO) is a premier atmospheric research facility that has been continuously monitoring and collecting data related to atmospheric change since the 1950's. The undisturbed air, remote location, and minimal influences of vegetation and human activity at MLO are ideal for monitoring constituents in the atmosphere that can cause climate change. The observatory is part of the National Oceanic and Atmospheric Administration (NOAA) - Earth System Research Laboratory (ESRL) - Global Monitoring Division (GMD).

Latest News

American Chemical Society honors measurement set at NOAA observatory
April 23, 2015

American Chemical Society honors measurement set at NOAA observatory

The American Chemical Society designated the Keeling Curve – a long-term record of rising carbon dioxide in the planet’s atmosphere -- as a National Historic Chemical Landmark in a ceremony April 30 at NOAA’s Mauna Loa Observatory in Hawaii.
MLO Science Fair Awards
February 24, 2015

MLO Science Fair Awards

Every year the Mauna Loa Obervatory contributes to the local Science Fair event. This year, Halia Buchal won the junior research award with the project titled: Purple or Green? Does Leaf Color Affect How Plants Respond to Different Colors of Light? The Senior research recipent Keanu D. Pinner won the senior division award with the project titled: Activation of the Hepatocyte Antioxidant Response by Kava Secondary Metabolites.
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Examples of Data:
MLO CO2
CO2
MLO Solar Transmission
Apparent Solar Transmission
Water Vapor Profile
Water Vapor Profile
Meteorology Wind Rose for Mauna Loa
Meteorology

Location

  • Country: United States Country Flag
  • Latitude: 19.5362° North
  • Longitude: 155.5763° West
  • Elevation: 3397.00 masl
  • Time Zone: Local Time + 10 hour(s) = UTC

Contact

  • Contact Name: John Barnes
  • Address: NOAA - Mauna Loa Observatory
    1437 Kilauea Ave. #102
    Hilo, Hawaii, 96720, United States
  • Phone: (808)933-6965
  • Fax: (808)933-6967

Data

Additional Information