What is the UV intensity of the sun?
What is the UV intensity of the sun?
The clear sky UV Index at solar noon is generally in the range of 0–12 at the Earth’s surface, with values over 11 being considered extreme.
What UV rating is best for tanning?
Good UV Index for tanning
- UV Index 0 – 2. Low exposure level. Average time it takes to burn: 60 minutes.
- UV Index 3 – 5. Moderate exposure level. Average time it takes to burn: 45 minutes.
- UV Index 6 – 7. High exposure level. Average time it takes to burn: 30 minutes.
- UV Index 8 – 10. Very high exposure level.
- 11+ UV Index.
What time is Sun UV highest?
The maximum UV level on any given day occurs during the four-hour period between 10 a.m. and 2 p.m., a timeframe scientists refer to as ‘solar noon. ‘ When the UV Index is featured in news and/or weather reports, it’s typically used to forecast the maximum UV levels for the following day for a specific region.
What UV level causes sunburn?
A UV Index reading 11 or higher puts you in a very dangerous spot for sunburn with damage occurring in less than 10 minutes if unprotected. At this level it is best to avoid all sun exposure between 10AM and 4PM. Find out the UV Index Level near you and protect yourself from damaging skin exposure.
What does 10 UV index mean?
A UV Index reading of 8 to 10 means very high risk of harm from unprotected sun exposure. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. If outdoors, seek shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses.
What hours is the sun the strongest?
The sun’s rays are strongest between 10 a.m. and 4 p.m. Limit exposure to the sun during these hours, even in winter and especially at higher altitudes. Do not burn. Sunburns significantly increase the lifetime risk of developing skin cancer, especially for children.
What Time Is vitamin D sunlight?
Midday, especially during summer, is the best time to get sunlight. At noon, the sun is at its highest point, and its UVB rays are most intense. That means you need less time in the sun to make sufficient vitamin D ( 5 ). Many studies also show that the body is most efficient at making vitamin D at noon ( 6 , 7 ).
What is the UV index of the Sun?
Average: 3.7 (403 votes) The UV Index tells you how quickly your skin will burn without protection from the Sun. Check out the UV Index and the UV forecast for your area below.
Where can I find the UV index forecast for Sydney?
Sydney Ultraviolet (UV) Index Forecast Graph. The Sydney UV forecast and sun protection times are now available in the MetEye Text Views. More information about changes to UV products. It is important for all Australians or visitors to Australia, to look and listen for UV Index levels in local weather forecasts.
Where can I find current UV levels and sun protection times?
UV levels and sun protection times are included in your local Bureau weather forecast, the BOM Weather app, and via maps and tables in MetEye. You can also use the free SunSmart app to view sun protection times and current UV levels. Sun protection measures are recommended when the UV Index is 3 and above.
Who is responsible for the UV index forecast?
The UV Index forecast is produced by the European Commission Copernicus Atmosphere Monitoring Service (CAMS) which is managed by the European Centre for Medium Range Weather Forecasts (ECMWF). Neither the European Commission, ECMWF or the Bureau of Meteorology accepts any responsibility or any liability for any use which is made of this item.