2 hours either side of Zenith,UV is more brutal at...

  1. gve
    14,986 Posts.
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    2 hours either side of Zenith,UV is more brutal at altitude,being closer to the source of Radiation ..
    That still doesn't deny thedanger at the coastline level..
    https://hotcopper.com.au/data/attachments/6615/6615509-559976e8154cb4a70725faa66e381e62.jpg

 
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