UV Index Now
Sun Safety Blog
Practical, evidence-based guides to understanding the UV index and protecting your skin. Learn what each UV level means, how quickly you can burn, the SPF you actually need, and the best times to be outdoors — so you can enjoy the sun without paying for it later. Every guide pairs with the live UV data on uvindex.now, so you can go from reading to checking your own city in one click.
Plain-language guides on UV radiation, sun protection and skin health — written around the same live data that powers our UV checker. Learn what the UV index scale actually means for your skin type, how long you can stay outside before burning, which SPF the current UV level calls for, and how to pack sun protection for a trip. Every article links straight to the live tool, so you can check the number for your own city while you read. No paywalls, no fluff — just the answers people ask us most.
For Schools & CampsA live classroom UV display, a printable poster and activities by age group — the modern SunWise replacement.
Sun & SkinHow high is the UV index in a tanning bed? Equivalent to UV 12+ — stronger than midday tropical sun. Here's the…
Sun & SkinYes — up to 80% of UV passes through light cloud, and broken cloud can even boost it. Here's what each cloud type does…
Sun & SkinWhich Fitzpatrick skin type are you, and what does it mean for tanning? The six types explained with burn times,…
Sun & SkinUV 3–5 is the realistic sweet spot — why, how long per skin type, and how to tan without burning.
Forecast GuideWhat will the UV be tomorrow? Check the forecast, see when the peak hits, and get it as a morning push alert.
TravelWhat flies in the cabin, what goes in the suitcase, and an interactive checklist so nothing gets left behind.
Sun SafetyWhat time the sun is strongest, the safer hours, and how to plan around the midday peak.
UV EducationWhat "very high" really means, how fast you burn, and the SPF and steps it calls for.
UV EducationWhat each UV level means for your skin, and how to read the scale at a glance.
Sun SafetyBurn-time estimates by skin type and UV level, so you know how long is safe.
Product GuideSPF recommendations by UV level — what to use at UV 6, 8, 10 or higher.
Health & SafetySkin cancer, photoaging, and eye damage — the long-term cost of overexposure.