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.

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    The formation of the Antarctic bottom water

    Blog
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    Mean daily maximum temperatures (°C)

    These datasets are available in a range of formats.
  • New Zealand from space

    This daily image of New Zealand from space was created using data from one of NASA's EOS satellites, collected at our receiving station in Lauder, Central Otago.
  • UV Index at Leigh - 16 October 2023

    Yesterday's UV Index

    Plots of UV levels throughout the day at different locations.
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    Map Scott

    Education Resource
    Scott Base, Antarctica Antarctica is the coldest, windiest and driest continent.
  • Air quality monitoring with low-cost sensors

    Service
    NIWA provides ambient air quality monitoring services using low-cost ODIN (Outdoor Dust Information Node) sensors.
  • Wave action

    Feature story
    New Zealand’s coast is sculpted by ocean waves. Some wave conditions bring joy to surfers and beachgoers, but, at other times, waves can cause major hazards at sea or along the shore.
  • QGIS

    QGIS is a free, open source, desktop mapping tool, widely used in New Zealand in government, research, commercial and NGO arenas.
  • Urbanisation

    Aotearoa’s main urban areas cover approximately 2% of total available land.
  • Education and information

    Education Resource
    Explore our education and information section to find out about climate and climate change, weather, our atmosphere, estuaries and more.
  • Products

    Service
    Here is our complete range of products.
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    Lake Ōmāpere and the Utakura River

    Tuna harvested from Lake Ōmāpere and Utakura River catchment have long comprised an important fishery for tangata whenua.