Real-time UV Index API for developers
Reliable, fast, and free UV Index data for any location. Get current reading and 5-day hourly forecasts without the friction of API keys.
Terminal
$
curl "https://uvindexapi.com/api/v1/forecast?latitude=40.7128&longitude=-74.006&timezone=Auto"
Connecting...
Real-Time & Forecasts
Get the current UV Index reading and 5-day hourly forecasts for any location.
Free & No API Keys
Start building immediately with no registration or API keys.
High-Quality Data
Accurate UV Index data powered by NOAA with complete global coverage.
Live Demo
Enter any coordinates or select a popular city to see the live API response.
Frequently Asked Questions
The UV Index data is sourced from NOAA (National Oceanic and Atmospheric Administration), which provides high-quality, scientifically validated UV measurements and forecasts that are used by weather services worldwide.
The UV Index data is updated once daily at approximately 7 PM UTC. This includes the current reading and 5-day hourly forecasts.
Yes, the API has a limit of 1,000 requests per day per IP address. This generous limit supports most applications while ensuring fair usage for everyone.
No, you don't need an API key or registration. Simply make requests to the API endpoints and start receiving UV Index data immediately.
The API supports any location worldwide. Simply provide latitude and longitude coordinates for any point on Earth.
Yes, the API is free for both personal and commercial use, with attribution required (see next question). There are no licensing fees.
Yes, the data is licensed under CC BY-SA 4.0 and requires attribution. You must include a visible link to uvindexapi.com on any page where the UV Index data is displayed.