UV Index Today in Maricopa County, Arizona (AZ)
Friday, May 22, 2026 -11:40 AMMST (GMT-7)
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The average maximum UV Index today across 41 locations in Maricopa County, Arizona (AZ), is 9.4. The highest projected maximum is 9.8 in New River at 12:00 PM MST, while the lowest projected maximum is 9.2 in Gilbert at 12:00 PM MST.
Tomorrow, the average maximum UV Index across those same locations is expected to be 9.3. The highest projected maximum is 9.6 in New River at 12:00 PM MST, and the lowest projected maximum is 9.1 in Glendale at 12:00 PM MST.
41 Places in Maricopa County, Arizona (AZ)
Maximum UV Index Today