UV Index Checker
Protect Your Skin with Real-Time UV Information
Hourly UV Index Chart
Safe Exposure Time
Estimated based on the Fitzpatrick scale for skin color and a UV Index of
*Estimate assumes proper application of broad spectrum sunscreen with reapplication every 2 hours.
Important Safety Information
General Guidelines
These exposure times are estimates based on scientific research and should be used as general guidelines only. Individual responses to UV exposure may vary.
Affecting Factors
UV exposure is affected by: time of day, season, altitude, cloud cover, reflection from surfaces, and individual skin sensitivity.
Protection Tips
For proper sun protection: seek shade during peak UV hours (10 AM - 4 PM), wear protective clothing, use broad-spectrum sunscreen, and monitor the UV index regularly.
Medical Advice
Consult with a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or are taking medications that may increase sun sensitivity.
SUNSET & SUNRISE
How It Works
Just enter your location and select your activity surface — such as sand, snow, asphalt, grass, or water — and we'll automatically adjust the UV index based on reflection and environmental factors. Then, we show you:
- The current UV index and hourly UV scale for your area
- The maximum UV level expected today
- UV forecasts broken down by hour
- A sun exposure analysis based on your skin type, SPF use, and clothing
- Personalized alerts and safety guidance during peak hours
- Recommendations for shade, sunglasses, and other forms of protection
Real-Time UV Radiation Data and Forecasts — Customized for You
UVIndexChecker.com helps you monitor UV index conditions by city, state, or ZIP code. Get live readings of the UV index right now, today's peak UV values, and a complete hourly forecast so you know exactly when it's safe to be outside. Our system tracks UV rays through the atmosphere and provides real-time alerts when radiation levels reach potentially harmful thresholds.
Whether you're planning outdoor time at the beach, in the snow, or on concrete, our tool gives you precise, up-to-date insights on UV radiation intensity — tailored to your location, time of day, cloud cover, and even the type of surface you'll be on. Remember to apply sunscreen regularly and take necessary precautions based on the current UV levels.
Why Monitoring UV Radiation Matters
The UV index is an international scale that measures the strength of ultraviolet radiation reaching the Earth's surface. High UV values can lead to sunburn, premature aging, skin cancer, and eye damage — even when the temperature is low or cloud cover is high. Understanding how UV rays interact with our atmosphere helps us better protect ourselves from their harmful effects.
UV intensity can be amplified by your environment. Surfaces like snow and water reflect more UV than grass or pavement, increasing your risk even in mild weather. By accounting for these factors, our tool gives you the most realistic UV exposure level available, helping you take appropriate precautions.
Built for Smart Sun Protection
Use UV Index Checker to plan smarter outdoor activities — whether you're headed to the beach, the mountains, or a local park. We help you make informed decisions based on:
- Your exact location in the United States
- Daily and hourly UV radiation forecasts
- Expected weather and cloud cover
- The type of surface you'll be on
- Real-time alerts from trusted government organizations
Trusted Sources and Transparent Data
Our data comes from reliable government and climate agencies like NOAA, the National Weather Service, and the World Health Organization. These government organizations provide comprehensive information about UV levels, atmospheric conditions, and potential harm from excessive exposure. You'll also see supporting weather statements, warnings, and other relevant info where applicable.
We value your privacy and your data rights. We don't track your location history, and we avoid invasive ads — just helpful, trustworthy information and tools to keep you safe from harmful UV rays.
Stay Ahead of the Sun
No matter the weather, season, or surface, you deserve to know how to stay safe in the sunlight. UV Index Checker helps people across the country make better decisions with clear info on UV radiation, protection, and personal risk — all from one simple tool.
Use it daily to plan your outfit, check your SPF, pick the right clothing, and choose the best times to head outside. We make sun safety simple.