Arizona (AZ): Current UV Index and Hourly Forecast

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As of 10:20 PM MST on July 19, 2026, 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 12.5 in Nogales between 12:00 PM - 1:00 PM MST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Arizona as of 10:20 PM MST, July 19, 2026

Counties in Arizona (AZ)

Current UV Index in Major Cities in Arizona (AZ)

10:20 PM MST, July 19, 2026