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UV and Ozone
ServiceThis 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. -
UV Index
ServicePlots of today's UV index are available in graphical form for Auckland, Wellington, Christchurch, Lauder and Invercargill. -
Air Action
Enabling householders and building managers to trial air quality solutions -
Air Aware: Learning experiences to build awareness about air quality
Learning experiences to build awareness about air quality -
Early and long-lasting ozone hole, forecasts NIWA
Media release05 September 2023The Antarctic ozone hole typically reaches its greatest extent in September or October and disappears in November or December. -
Climate change and agriculture
Education ResourceHelping you understand the science of climate change. The things we can do to combat climate change, individually, and alongside our whānau, school and community, can and will make a difference. -
Air quality in Arrowtown - 2019 Arrowtown School project
NIWA worked with Year 8 students at Arrowtown School to analyse, visualise and communicate air quality data. -
Air quality in Arrowtown - 2019 results
Read a summary of results and download our full report on 2019 outdoor air quality. -
Greenhouse gas analyses
NIWA has been using advanced scientific instruments to measure atmospheric trace gases and isotopes for over 30 years.