SPF Tanning App : UV Index
Tan smart, skip the burn.
Blog · 9 October 2026
Yes. Cold air doesn't lower ultraviolet (UV) radiation, and snow reflects it back at you, so skin and eyes can both burn. Here is what health bodies advise.
The Global Solar UV Index guide from the World Health Organization (WHO) lists what raises UV levels. On the slopes, these matter most:
The higher the index, the greater the potential for damage to skin and eyes, and the faster it happens. WHO's advice:
Below 3, WHO says, the risk is limited even for very sensitive fair skin and protection isn't normally needed; from 3, use clothing, sunglasses, shade and sunscreen together. In Turkey, the meteorological service (MGM) explains the same categories online, but we found no UV index forecast among its products in October 2026. For summer, see what UV index is safe for tanning.
Ski clothing covers most of you, so Cancer Council NSW says to focus on your face, throat, back of the neck, ears and, without gloves, the backs of your hands.
Estimate it for your skin type: UV index burn time calculator
Blaming the wind? Victoria's Better Health Channel, an Australian state health site, says the redness, stinging and peeling people blame on wind come from UV, and to reapply every two hours even if the label says four hours water-resistant.
The NHS says sunlight reflected from snow is particularly dangerous for the eyes. The American Academy of Ophthalmology (AAO) recommends sunglasses or goggles that block at least 99% of UV and protect from dry, freezing wind; WHO recommends wrap-around sunglasses or ones with side panels. Polarised lenses cut glare but add no UV protection, says Better Health Channel.
Snow blindness is a form of photokeratitis, which the AAO likens to a sunburned eye. It is caused by UV reflected off ice and snow and is especially common in high mountains. As with sunburn, the AAO says it usually isn't noticed until well after the damage is done; WHO says symptoms usually appear within a few hours. The AAO lists symptoms including pain, redness, blurred vision, tearing, a gritty feeling, light sensitivity and headache; rarely, temporary vision loss.
The AAO says symptoms usually fade in a day or two. NHS Scotland's guideline for eye-care professionals says 24 to 48 hours, though mild blurring and light sensitivity can last a week or longer, and that patients should return if symptoms persist. Northern Ireland's official nidirect page on eye injuries, including UV, says to go to an emergency department straight away for persistent or severe eye pain or reduced or double vision, among other signs. If you're worried, see an eye doctor.
WHO says UV is generally lower in winter, and its threshold of 3 holds all year: if the city index stays at 1 or 2, its advice doesn't call for sunscreen. But snow on the ground reflects UV, and WHO flags early spring. The AAD is stricter, recommending sunscreen every day on uncovered skin outdoors, as the sun gives off UV all year.
General information, not medical advice. If you have a skin condition, take medicines that can make you sun-sensitive or have eye symptoms that worry you, ask a doctor or pharmacist. Sources read in October 2026.
SPF Tanning App : UV Index shows the live UV index for your location and sends SPF reapplication reminders, both useful on the slopes. Its timer, based on your skin type and SPF, alerts you when your skin is at risk of burning: a warning, not permission to stay out longer. It also tracks vitamin D, and it doesn't replace sunscreen, shade and clothing. It's free to download on the App Store and Google Play; using it requires a subscription with a free trial.
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