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How to Update Solar Index Size
Instructions
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1
Create or print out a sheet you can place on a magnetic bulletin board that shows the World Health Organization's UV exposure chart. This chart shows the levels from 1 to +11, with advisory information for each of the levels.
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2
Check the UV levels posted by weather agencies for that day.
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3
Place a small bright magnet on the chart where the level is projected to be for that day. Change this on a daily basis.
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