UV Index Today in Arizona (AZ)

Friday, August 7, 2026 -12:37 PM MST (GMT-7)

The average maximum UV Index today across 279 locations in Arizona (AZ), is 10.4. The highest projected maximum is 11.2 in Eagar at 12:00 PM MST, while the lowest projected maximum is 7.5 in Dennehotso at 12:00 PM MST.

Tomorrow, the average maximum UV Index across those same locations is expected to be 9.9. The highest projected maximum is 10.9 in Sierra Vista at 12:00 PM MST, and the lowest projected maximum is 6.8 in Page at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

15 Counties in Arizona (AZ)

Average Maximum UV Index Today
  • Maricopa County - 10.2
  • Pima County - 10.7
  • Pinal County - 10.4
Data Source: National Oceanic and Atmospheric Administration (NOAA)

279 Places in Arizona (AZ)

Maximum UV Index Today
  • Chandler - 10.2
  • Gilbert - 10.2
  • Glendale - 10.2
  • Mesa - 10.2
  • Phoenix - 10.2
  • Tucson - 10.6
Data Source: National Oceanic and Atmospheric Administration (NOAA)