Maricopa County Reports Record 645 Heat-Associated Deaths in 2023

The alarming increase in heat-associated deaths in Arizona's most populous county highlights the urgent need for enhanced protective measures for vulnerable populations.

• Maricopa County confirmed a staggering 52% increase in heat-associated deaths last year, reaching a new annual record of 645.
• The majority of the victims were people 50 years or older, with many deaths occurring on days with excessive heat warnings.
• Public health officials emphasize that nearly all of these deaths could be prevented with a coordinated county-wide strategy.
• Last summer, Phoenix experienced its hottest three months on record, including a 31-day streak of temperatures at or above 110°F.
• Arizona appointed its first statewide heat officer and is implementing measures like cooling stations and increased tree planting to combat the issue.

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