What is a normal UV Index?
Index usage
UV index | Media graphic color | Risk of harm from unprotected sun exposure, for the average adult |
---|---|---|
0 to 2 | Green | “Low” |
3 to 5 | Yellow | “Moderate” |
6 to 7 | Orange | “High” |
8 to 10 | Red | “Very high” |
Can you get tan with a UV Index of 4?
Even when the UV Index is only 4, sunburn is still possible within 50 minutes. Sunburn can still occur when the UV Index is low – on a cloudy day, for example – but it typically takes an hour or longer. If outdoors, seek shade and wear protective clothing, a wide-brimmed hat and UV-blocking sunglasses.
What is the UV in Spokane?
Spokane UV index
Local Time | Mo Aug 09 | We Aug 11 |
---|---|---|
UV index | 6 | 6 |
What level of UV Index is safe?
The World Health Organization’s Global Solar UV Index measures UV levels on a scale from 0 (Low) to 11+ (Extreme). Sun protection is recommended when UV levels are 3 (Moderate) or higher.
What is a safe UV index number?
Radiation: The ultraviolet (UV) index
UV index | Action |
---|---|
0 to 2 | You can safely enjoy being outside! |
3 to 7 | Seek shade during midday hours! Slip on a shirt, slop on sunscreen and slap on hat! |
8 | Avoid being outside during midday hours! Make sure you seek shade! Shirt, sunscreen and hat are a must! |
What does a UV index of 2 mean?
Exposure to surface objects that reflect light (such as sand and water) can make the UV index even higher in such locations. The UV Index runs on a scale of 1 to 11+: A UV Index reading of 2 or less means low danger from the sun’s UV rays for the average person: Wear sunglasses on bright days.
What should my UV index be in winter?
A UV Index reading of 2 or less means low danger from the sun’s UV rays for the average person: Wear sunglasses on bright days. In winter, reflection off snow can nearly double UV strength. If you burn easily, cover up and use sunscreen of at least SPF-30.
Who is the creator of the UV index?
The Global Solar UV Index (UVI) described in this document was developed in an international effort by WHO in collaboration with WMO,UNEP and ICNIRP,and is a simple measure of the UV radiation level at the Earth’s surface.
Why do we need the global solar UV index?
The Global Solar UV Index (UVI) describes the level of solar UV radiation at the Earth’s surface. The values of the index range from zero upward – the higher the index value,the greater the potential for damage to the skin and eye,and the less time it takes for harm to occur. WHY DO WE NEED THE UVI? A marked increase in the incidence of skin