UV Index Sun Protection Environment Canada developed the UV
Index to inform Canadians about the strength of the sun's UV
(ultraviolet) rays. UV rays can cause sunburns, eye cataracts,
skin aging and skin cancer. The higher the UV Index number, the
stronger the sun's rays, and the greater the need to take
precautions. The table below outlines the sun protection actions
recommended at different levels of the UV Index. |UV
Index||Description||Sun Protection Actions| - Minimal sun
protection required for normal activity - Wear sunglasses on
bright days. If outside for more than one hour, cover up and use
sunscreen - Reflection off snow can nearly double UV strength.
Wear sunglasses and apply sunscreen - Take precautions - cover
up, wear a hat, sunglasses and sunscreen especially if you will
be outside for 30 minutes or more - Look for shade near midday
when the sun is strongest - Protection required - UV damages the
skin and can cause sunburn - Reduce time in the sun between 11
a.m. and 4 p.m. and take full preca