NC Heat Health Data and Reports

Heat-Related Illness Surveillance Reports

We track heat-related illness from May 1 to Sept. 30 each year, using data from NC DETECT.

2026 Weekly NC Heat-Related Illness Report

Statewide Key Messages

The average weekly rate of heat-related illness (HRI) emergency department (ED) visits this season to date is 1.8 per 100,000 population.

This week (June 21-27, 2026):

• There were 262 HRI ED visits (0.3% of total ED visits), with a rate of 2.4 per 100,000 population
• The rate was highest among males aged 65+ years (4.6 per 100,000 population) 
• The rate of HRI ED visits was highest in the Southeast (4.3 per 100,000 population)
• The most frequent heat related diagnosis code was heat exhaustion (n = 72; 52.6%)
• The maximum daily heat index ranged from 82 to 107.8°F at Raleigh-Durham International Airport 
• There were 3 days when the minimum temperature was above 70°F.

The report shows that extreme heat is becoming a bigger health risk. Staying cool, drinking water, taking breaks and checking on others can help prevent heat-related illness.

Read the full report: NC Heat-Related Illness Report June 21-27, 2026

More Reports

• Heat Community Readiness Report (PDF)
• Heat Implementation and Monitoring Strategy Executive Summary (PDF)
• Heat Implementation and Monitoring Strategy (PDF)