Today UV IndexToday UV Index
NEW🌞 Now with hourly UV forecasts

Real-Time UV Index Monitoring

Stay safe under the sun with accurate UV index forecasts and personalized skin protection recommendations based on your location.

UV Index Results

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Data Retrieved: 7/4/2025, 3:00:54 AM

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What is the UV Index?

The UV Index is a scale that measures the strength of ultraviolet (UV) radiation from the sun. Understanding the UV Index helps you take appropriate sun protection measures to reduce your risk of sun damage and skin cancer.

  • Scientific Measurement
    The UV Index is measured on a scale from 1 (Low) to 11+ (Extreme), indicating the strength of UV radiation reaching the Earth's surface.
  • Daily Fluctuations
    UV levels change throughout the day, typically peaking between 10am and 4pm when the sun is at its highest.
  • Location Specific
    UV intensity varies by location, altitude, season, and weather conditions - all factors our app monitors in real-time.
FAQ

Frequently Asked Questions

Learn more about UV protection and our app

1

What is the UV Index?

The UV Index is a scale that measures the intensity of ultraviolet radiation from the sun. It ranges from 1 (low) to 11+ (extreme), helping you understand the risk of sun damage to your skin.

2

How accurate are the UV readings?

Our app uses real-time data from weather stations and satellites, combined with location-specific factors to provide highly accurate UV index readings for your exact location.

3

When is the UV Index highest?

UV levels typically peak between 10am and 4pm, particularly around midday when the sun is at its highest position. Our hourly forecast helps you plan around these peak times.

4

Does cloud cover affect UV levels?

Yes, but less than you might think. Up to 80% of UV radiation can penetrate light cloud cover, which is why you can still get sunburned on cloudy days. Our app accounts for weather conditions in its calculations.

5

How often should I check the UV Index?

UV levels can change significantly throughout the day. We recommend checking the index before outdoor activities and enabling notifications for important UV alerts.

6

Does it work worldwide?

Yes, Today UV Index provides coverage worldwide, with accurate readings for any location with GPS coordinates.