UV Index Today in Arizona (AZ)

Wednesday, July 15, 2026 -9:13 AM MST (GMT-7)

The average maximum UV Index today across 279 locations in Arizona (AZ), is 11.4. The highest projected maximum is 12.6 in Bisbee at 12:00 PM MST, while the lowest projected maximum is 8.1 in Fort Valley at 10:00 AM MST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 9.6. The highest projected maximum is 12.2 in Fort Defiance at 12:00 PM MST, and the lowest projected maximum is 2.6 in Tanque Verde at 11:00 AM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

15 Counties in Arizona (AZ)

Average Maximum UV Index Today
  • Maricopa County - 11.2
  • Pima County - 11.9
  • Pinal County - 11.5
Data Source: National Oceanic and Atmospheric Administration (NOAA)

279 Places in Arizona (AZ)

Maximum UV Index Today
  • Chandler - 11.3
  • Gilbert - 11.3
  • Glendale - 11.1
  • Mesa - 11.2
  • Phoenix - 11.2
  • Tucson - 11.8
Data Source: National Oceanic and Atmospheric Administration (NOAA)