UV Index Today

Real-time solar radiation monitoring

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California

United States • 6 cities • Local time: 17:42

Hayward

Low
Current UV1.0
Max UV3.8
Temp10.8°C

Oakland

Low
Current UV1.0
Max UV3.6
Temp10.0°C

San Francisco

Low
Current UV1.1
Max UV3.6
Temp10.1°C

San Jose

Low
Current UV1.0
Max UV3.6
Temp11.1°C

Santa Ana

Low
Current UV0.9
Max UV5.3
Temp13.6°C

Santa Clara

Low
Current UV1.0
Max UV3.8
Temp11.2°C

Live UV Index in California, United States

This page displays the live uv index for all cities in California, United States. Each city shows the uv index today with real-time updates, including current UV level, daily maximum UV, and temperature. The uv index now for each location allows you to compare sun exposure across different cities within the region and make informed decisions about outdoor activities.

The uv index today can vary significantly between cities in the same region due to factors like altitude, proximity to water, and local weather patterns. By checking the live uv index for multiple cities side-by-side, you can identify locations with safer UV conditions. The uv index now updates continuously, ensuring you have the most current data when planning your activities in California.

Planning Activities with UV Index Today in California

When planning outdoor activities in California, checking the uv index now for specific cities helps you make informed decisions. The live uv index shows real-time conditions, while the uv index today provides context for the entire day. Cities with lower uv index today may be better choices for extended outdoor exposure, while those with higher live uv index require more protective measures.

Remember that the uv index now represents current UV intensity, while the daily maximum shows peak exposure risk. Even cities showing moderate uv index today can require protection during midday hours when the live uv index peaks. Use both the current uv index now and maximum UV values to understand both immediate conditions and the day's peak exposure risk. The live uv index updates continuously, so check the uv index now before heading outdoors.