UV and ozone

NIWA's Atmospheric Research Station at Lauder in Central Otago specialises in measuring CFCs, ozone, UV levels and greenhouse gases and has a wide range of world-class instruments and research scientists.

2002 UV workshop presentations.

2010 UV workshop presentations.

2006 UV workshop presentations.

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.

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

The Antarctic ozone hole typically reaches its greatest extent in September or October and disappears in November or December.

UV Atlas Registration

New research suggests large-scale wildfires may be changing the chemical makeup of our atmosphere. Jessica Rowley explains.

Experts are warning Kiwis to be extra cautious this summer, with ultraviolet (UV) radiation levels averaging higher compared to 2021.

Smoke from the devastating Australian wildfires impacted the atmosphere in a way that’s never been seen before.

Without the global CFC ban we’d already be facing the reality of a “scorched earth”, according to researchers measuring the impact of the Montreal Protocol.