Arizona (AZ): Current UV Index and Hourly Forecast

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As of 4:09 AM MST on August 23, 2025, all 461 cities in Arizona 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 Arizona is expected to be 11.8 in Naco between 12:00 PM - 1:00 PM MST today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Arizona as of 4:09 AM MST, August 23, 2025

Counties in Arizona (AZ)

Current UV Index in Major Cities in Arizona (AZ)

4:09 AM MST, August 23, 2025