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

Online services

NIWA provides online access to major climate and environmental monitoring systems, databases and forecasting tools.

NIWA provides online access to major climate and environmental monitoring systems, databases and forecasting tools.

National Environmental Data Centre

Search all New Zealand environmental research data at the National Environmental Data Centre.

Online services

  • Sunrise from Brooklyn Hill

    SolarView

    This calculator estimates the solar energy that can be collected by a solar capture device (solar panel) at a given address, panel direction and roof slope.
  • Storm water drain

    Urban Runoff Quality Information System (URQIS)

    Service
    NIWA's Urban Runoff Quality Information System (URQIS) provides planners, engineers and researchers with information about the quality of stormwater from different locations and landuses and under different flow conditions.
  • 2020_12_WESTLAND_parsonsking_DSC6603-Recovered

    UV Index

    Service
    Plots of today's UV index are available in graphical form for Auckland, Wellington, Christchurch, Lauder and Invercargill.