June 2025 mean sea level air pressure was higher than normal to the south of Aotearoa New Zealand, and mostly near normal over the country. This was associated with more easterly winds than normal for ...

Methane (CH₄) is New Zealand’s most significant greenhouse gas, making up over 50% of the country’s emissions, primarily from farmed livestock and waste facilities. Unlike CO₂, methane is more potent ...

The loss of contact with the MethaneSAT satellite is a blow for everyone involved, but the associated agricultural research will continue, says the scientific lead of New Zealand’s MethaneSAT ...

Disclaimer: The forecasts offered in this page draw upon modified Copernicus Climate Change Service Information [2022] (C3S, https://climate.Copernicus.eu). There is inherent uncertainty in ...

Forecasting future weather starts by knowing what the weather is doing right now – everywhere in the world!

NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals).

This research project is developing an energy-efficient, net-zero-emission process for wastewater denitrification.

Weather tells you what to wear each day, while climate tells you what types of clothes to have in your closet.