uv index การใช้

• Common examples are the SPF of sunscreen, and the UV index.
• The UV index lets you know how strong the rays are.
• The UV index ranged from 0.5 to 3.0 within 20 minutes.
• The UV index ranged from 0 . 5 to 3 . 0 within 20 minutes.
• On Dec . 29, 2003, a world-record UV index of 43.3 was detected at Bolivia's Licancabur volcano.
• The Environmental Protection Agency operates a hotline for UV index information : 800 _ 296 _ 1996.
• Q : What is the UV index?
• The word " Danger " flashes on the display panel when the UV index is 7 or more.
• Typical variation of UV Index by time of day and time of year, based on FastRT UV Calculator
• "' Weather update for Wiknic "': the forecast is now for 91 93 degrees and a high UV index.
• Our article on vitamin D says that humans only make vitamin D when the UV index is above 3.
• The UV index is around 3 this time of year where I live during a few hours around afternoon.
• The resulting UV Index cannot be expressed in pure physical units, but is a good indicator of likely sunburn damage.
• The idea is that weather forecasters will broadcast the UV index each day as part of the daily weather report.
• Newspapers which print the day's UV index telling people with red hair and freckles when to come inside is new.
• To learn more about the UV Index, call the Environmental Protection Agency's toll-free ozone hot line at ( 800 ) 296-1996.
• Because of its elevation, Quito receives some of the greatest solar radiation in the world, sometimes reaching 24 in the UV Index.
• The UV Index is a number linearly related to the intensity of sunburn-producing UV radiation at a given point on the earth's surface.
• The ultraviolet index or UV index varies from 10 + UV index in the summer and a maximum of 7 UV index in winter.
• The ultraviolet index or UV index varies from 10 + UV index in the summer and a maximum of 7 UV index in winter.