Summer brings longer days, packed schedules—and rising temperatures that can pose serious health risks, especially for workers in construction, manufacturing, and other physically demanding industries. As we recognize Heatstroke Prevention Day, it’s the perfect time to take charge of your health and safety on the job. With a few smart habits, you can keep yourself, your team, and your jobsites cooler, safer, and stronger all season long.
Know the Risks
Heatstroke is one of the most serious forms of heat-related illness, occurring when the body’s temperature climbs dangerously high—often reaching 106°F or more within just 10 to 15 minutes. When the body loses its ability to regulate heat, vital organs can suffer severe damage, and without emergency treatment, the outcome can be fatal.
Although illness from exposure to heat is preventable, every year thousands of workers become sick from occupational heat exposure, and some cases are fatal. An estimated 50% to 70% of heat-related fatalities occur within the first few days of working in warm or hot environments, and the Bureau of Labor Statistics (BLS) reports 33,890 work-related heat injuries and illnesses involving days away from work between 2011–2020—with an average of 3,389 injuries and illnesses per year during this period.
Watch the Warning Signs
Early recognition of heat stress symptoms can help save lives. Key warning signs include body temperatures above 103°F, confusion or altered mental state, dizziness, rapid heart rate, and skin that is either excessively dry or heavily sweating.
In addition to outdoor exposure, vehicles can quickly become life-threatening environments. Data from the National Highway Traffic Safety Administration (NHTSA), for example, shows that car interiors can heat up by nearly 20°F in just 10 minutes, even when parked in the shade. Workers transitioning between sites should exercise caution and never remain in parked vehicles without adequate ventilation.
When symptoms of heatstroke appear, it is essential to call 911 immediately, move the affected individual to a cooler environment, and begin active cooling measures—such as applying cool, damp cloths—while awaiting medical assistance.
Best Practices for Heat Safety
A proactive approach to heat safety is essential to protecting you and your teams. Best practices include:
Planning Ahead: Resources like the OSHA-NIOSH Heat Safety Tool App can help to monitor daily heat index levels and adjust work schedules to avoid peak temperature periods.
Hydrating Consistently: Workers should drink water every 15 to 20 minutes throughout the day, not just when they feel thirsty. Proper hydration remains one of the most effective defenses against heat-related illnesses.
Choosing Proper Clothing: Lightweight, light-colored, and breathable clothing allows for better air circulation and helps the body cool naturally.
Implementing Regular Breaks: Scheduled rest breaks in shaded or air-conditioned areas significantly reduce the likelihood of heat exhaustion. Providing dedicated cooling zones on job sites is a proven preventive measure.
Establishing a Buddy System: Encouraging workers to monitor each other ensures that symptoms of heat illness are spotted early and that swift action can be taken.
Investing in Training and Communication: Consistent education on the risks of heat exposure, proper hydration, symptom recognition, and emergency procedures can help create a more resilient and responsive workforce.
Looking Ahead
Heat-related illnesses are entirely preventable—yet they continue to pose a serious threat to worker safety during the hottest months of the year. With simple, proactive steps like planning ahead, staying hydrated, monitoring conditions, and training teams, your teams can significantly reduce risks and create a stronger, healthier workplace.
This Heatstroke Prevention Day, let’s prioritize the strategies that protect what matters most: our people. For more information and best practices on workplace safety and risk management, visit our website.
