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

As of 2:48 PM PDT on July 22, 2025, out of 141 cities in Los Angeles County, CA in our database, 127 cities (90%) have a UV Index reading of Very High, while 14 cities (10%) have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Glendora, CA with a reading of 10.8.

Over the next 24 hours, the highest UV Index reading in Los Angeles County, CA is expected to be 11.4 in Palmdale 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 2:48 PM PDT, July 22, 2025

Current UV Index in Cities in Los Angeles County, CA

2:48 PM PDT, July 22, 2025