Los Angeles County, CA: Current UV Index and Hourly Forecast

As of 9:06 PM PDT on May 21, 2025, all 141 cities in Los Angeles County, CA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Los Angeles County, CA is expected to be 11.1 in Glendora between 1:00 PM - 2:00 PM PDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Los Angeles County, CA as of 9:06 PM PDT, May 21, 2025

Current UV Index in Cities in Los Angeles County, CA

9:06 PM PDT, May 21, 2025