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The UV Index & Your Local Forecast

The UV index is a useful tool when it comes to sun protection. It was developed by Environment Canada to inform Canadians about the strength of the sun's UV rays - the higher the number, the stronger the UV rays, and the greater the need to protect yourself.

Canada was the first country in the world to issue daily Next link will take you to another Web site UV index forecasts for major cities. Latitude, cloud cover and precipitation are factored into the local UV index, which is reported on radio stations, television, in nespapers or on the web when the index is 3 or above.

Find the Next link will take you to another Web site current UV index in your area and use the following table to determine your recommended sun protection actions:

UV Index Sun Protection Actions
0 - 2
Low
Minimal sun protection required. If outside for more than one hour, wear sunglasses and sunscreen. Reflections can nearly double UV strength.
3 - 5
Moderate
Take precautions. Cover up, wear a hat, sunglasses and sunscreen if outside for 30 minutes or more. Look for shade near midday.
6 - 7
High
Protection required. UV damages skin and can cause sunburn. Reduce time in the sun between 11 a.m. and 4 p.m. Seek shade, cover up, wear a hat, sunglasses and sunscreen.
8 - 10
Very high
Extra protection required. Unprotected skin can be damaged and burn quickly. Avoid the sun between 11 a.m. and 4 p.m. Seek shade, cover up, wear a hat, sunglasses and sunscreen.
11+
Extreme
Maximum protection required. Unprotected skin will be damaged and burn in minutes. Avoid the sun between 11 a.m. and 4 p.m. Remain in the shade, cover up, wear a hat, sunglasses and sunscreen.