Arizona (AZ): Current UV Index and Hourly Forecast

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As of 7:40 AM MST on June 4, 2025, all 461 cities in Arizona in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Eagar, AZ with a reading of 1.1.

Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 12.5 in Naco between 12:00 PM - 1:00 PM MST today.

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Counties in Arizona (AZ)

• Apache County
• Cochise County
• Coconino County
• Gila County
• Graham County
• Greenlee County
• La Paz County
• Maricopa County
• Mohave County
• Navajo County
• Pima County
• Pinal County
• Santa Cruz County
• Yavapai County
• Yuma County

Current UV Index in Major Cities in Arizona (AZ)

• Apache Junction - 0.7
• Avondale - 0.7
• Buckeye - 0.6
• Bullhead City - 0.6
• Casa Grande - 0.7
• Casas Adobes - 0.8
• Catalina Foothills - 0.8
• Chandler - 0.7
• Drexel Heights - 0.8
• El Mirage - 0.7
• Flagstaff - 0.6
• Fortuna Foothills - 0.5
• Gilbert - 0.7
• Glendale - 0.7
• Goodyear - 0.7
• Kingman - 0.7
• Lake Havasu City - 0.4
• Marana - 0.8
• Maricopa - 0.7
• Mesa - 0.7
• Oro Valley - 0.8
• Peoria - 0.7
• Phoenix - 0.7
• Prescott - 0.5
• Prescott Valley - 0.4
• Queen Creek - 0.7
• Sahuarita - 0.8
• San Luis - 0.5
• San Tan Valley - 0.7
• Scottsdale - 0.7
• Sierra Vista - 0.9
• Sun City - 0.7
• Surprise - 0.7
• Tempe - 0.7
• Tucson - 0.8
• Yuma - 0.5