The UV index reports the strength of the sun ultraviolet radiation on a scale that starts at zero and climbs past eleven, and it is your best guide to how quickly you can burn and how much protection you need. This reference tool takes the current UV index and your skin type on the Fitzpatrick scale and returns the World Health Organization risk category, plain protection advice, and a rough estimate of how long unprotected fair to darker skin can stay in the sun before burning. Fair, easily burning skin has far less natural protection than deeply pigmented skin, so the same UV index means very different safe times for different people. Enter the UV index, pick your skin type, and read the risk band and estimated burn time, plus the full color coded index scale for reference. Treat burn times as guidance, not a guarantee. Everything runs locally in your browser for instant, private lookups.
The UV index reports the strength of the sun ultraviolet radiation on a scale that starts at zero and climbs past eleven, and it is your best guide to how quickly you can burn and how much protection you need. This reference tool takes the current UV index and your skin type on the Fitzpatrick scale and returns the World Health Organization risk category, plain protection advice, and a rough estimate of how long unprotected fair to darker skin can stay in the sun before burning.
Yes. UV Index Reference and Burn Time is completely free, with no sign-up and no usage limits.
Yes. UV Index Reference and Burn Time runs in any modern web browser. There is nothing to download or install.
Yes. UV Index Reference and Burn Time runs entirely on your device in your browser, so nothing you enter is uploaded to a server.