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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    Coastal hazards

    NIWA's coastal hazards research is improving knowledge and providing tools to help understand coastal hazards and potential impacts for Aotearoa New Zealand – both now and in the future as sea levels continue to rise.
  • Hotspot Watch 26 October 2023

    Hotspot
    A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent.
  • High Frequency Water Quality Monitoring Guidance

    Research Project
    A NIWA-led project to support anyone wishing to deploy a water quality sensor in rivers, lakes and estuaries.
  • NIWA Biodiversity Memoirs for purchase

    The NIWA Biodiversity Memoirs are comprehensive, definitive, illustrated reference works that capture the rigorous, peer-reviewed scientific study of New Zealand’s distinctive marine fauna and flora.
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    National Centre contacts

    You can find contact details for our science staff under these National Centre lists.
  • Winter in Wellington

    Our people

    Find out more about our board, management teams, and key National Centre contacts. To locate individuals working at NIWA simply use our staff search below.
  • Electricity conversion project takes top prize at Auckland Science Fair

    Media release
    A suite of projects that ranged from whether toothpaste’s a scam to capturing air, to human superpowers made up the 206 entries at this year’s NIWA Auckland City Science & Technology Fair.
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    Weather and climate forecasting services

    Whether you need weather or climate information six hours, days or months out, our accurate forecasts can help you with operational requirements and decision making.
  • Hotspot Watch 18 October 2023

    Hotspot
    As of 15 October, the New Zealand Drought Index (NZDI) map below shows that no unusually dry conditions are currently found across the country.
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    Send us your snow observations

    Measurements of snowfall at low elevations around New Zealand are few and far between, and yet the data would be really helpful in understanding how snowfall occurs and quantifying snow-related risks.
  • Some homes contain 3 times more air pollution, NIWA finds

    Media release
    A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before.
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    UV and Ozone

    Service
    This is the home for NIWA's UV and ozone research, including maps and graphs showing daily predictions and measurements for UV levels across New Zealand.