Download the UV Index Today app - Get daily UV alerts

UV Index for Altona, IL

Current Altona UV Index

0 (Low)

Last Updated 32 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Altona UV Index

The hourly Altona, IL UV Index forecast for Monday, October 5th, 2026.

5 Day Hourly Altona UV Index Forecast

Last Updated 1 day ago