OZONE HOLE OVER ANTARCTIC SETS BIG RECORD
As this BBC News report blaringly headlines it: Ozone hole is 'biggest on record'--'bigger than North America.' NASA's Aura satellite says so, backed up by ground-based readings using high-altitude balloons.
Ain the layer between 13 and 21 kilometres above the earth, there was virtually no ozone; almost all had been destroyed. And at the 20km mark there were extremely high levels of ozone-destroying chlorine chemicals. Scientists say that levels of the nasty chemicals peaked in 2001. This latest peak, between September the 21st and 30th, must not have read their report. They also expect the ozone-layer to make a slow recovery and be back to normal in about 2065...
Keep the sunblock handy. In New Zealand the UV level is at 9, out a of a possible 10.