On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Atmospheric analysis

NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 50 years.

  • Kaitiaki Tools

    Service
    Easing the resource consent process
  • (no image provided)

    Hotspot Watch Updates

    This weekly update helps assess likelihood of extremely dry weather preceding a drought.
  • Mahinga kai - what species interests you?

    In Kaitiaki Tools the term mahinga kai generally refers to indigenous freshwater species that have traditionally been used as food, tools, or other resources.
  • Juncus banner

    New Zealand rushes (Juncus): factsheets and key

    New Zealand rushes (Juncus): species-level factsheets.
  • (no image provided)

    Mean daily minimum temperatures (°C)

    These datasets are available in a range of formats.
  • Chemical contamination and agriculture

    What are the potential sources of chemical contamination from agricultural activities?
  • Gisborne

    In comparison with regions exposed to the west, Gisborne experiences a greater number of weather and climatic extremes.
  • Development of sustainable water supply and treatment systems for a coastal Fijian village

    Research Project
    This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.
  • (no image provided)

    National

    National climate maps
  • Questions and answers about oyster disease Bonamia ostreae

    Media release
    NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.
  • The process

    The process of coming to work with us has five steps: applying, a phone interview, a face to face interview, background checks, and an offer.
  • (no image provided)

    Snapper life cycle