Stratospheric ozone

The long-term changes in stratospheric ozone due to ozone-depleting substances over a mid-latitude location such as Victoria are small compared to natural variations. Melbourne’s UV levels have generally been stable since the 1980s.
Region: 
Melbourne
Measures: 
(i) Ultraviolet radiation (UV index) (ii) Average total column ozone (Dobson Units) (iii) Emissions of ozone depleting substances (M tonnes)
Topics: 
Air