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

Atmosphere

World class research contributing to our understanding of greenhouse gases, ozone depletion, and urban air pollution.

  • Baring Head Clean Air Monitoring Station

    Daily CO2 measurements from NIWA’s atmospheric monitoring station at Baring Head

    Service
    Daily CO2 measurements from NIWA’s atmospheric monitoring station at Baring Head.
  • NIWA reveals Arrowtown air quality standards breached every time temperature plummets

    Media release
    The first month of data from NIWA’s air quality monitoring project in Arrowtown reveals that air quality has already breached the national standard eight times this winter, including six times in the week from 19 to 26 June – in fact every time the air temperature dropped below freezing.
  • Our changing oceans

    Feature story
    The on-going rise of atmospheric carbon dioxide (CO2) that is fuelling climate change is also driving significant changes in the waters off our coasts.
  • A bird's-eye view of our carbon balance

    Feature story
    Dr Sara Mikaloff-Fletcher is looking to turn the internationally accepted science of monitoring greenhouse gas emissions upside down – and the rest of the world is watching closely.
  • Students, scientists, citizens study Arrowtown’s ailing air

    Media release
    Arrowtown may be known for its picturesque autumn scenery, but in winter this tiny Central Otago town has a problem.
  • Environment report a clear picture of change: NIWA

    Media release
    The latest state of the environment report released today provides New Zealanders with clear evidence that our climate, freshwater and marine systems are changing, says NIWA.
  • World Earth Day: Air quality and its effects on respiratory health

    Media release
    A newly formed partnership between Asthma and Respiratory Foundation NZ and NIWA aims to provide the latest air quality research to over 700,000 people living with respiratory conditions in New Zealand.
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    Project updates - CarbonWatch NZ

    Project updates
  • Baring Head Clean Air Monitoring Station

    Science - CarbonWatchNZ

    CarbonWatchNZ will address crucial carbon cycle questions in the three landscapes that are most important to New Zealand’s carbon balance: forest, grassland and urban environments.
  • The science of art or the art of science…

    Feature story
    If you think science and art have nothing in common, think again. At environmental science institute NIWA, it’s all about one inspiring the other.
  • Burning wood - not as cosy as it seems

    Feature story
    As temperatures drop over winter months, many Kiwis turn to their fireplaces to heat their homes. However, most of us are not fully aware of the immense impact that wood burning can have on people and the environment.
  • What's in your air, Alex?

    NIWA is helping young people get involved in air quality research. With funding from Unlocking Curious Minds children from Alexandra Primary School are becoming junior scientists and learning about air quality in their town.