WHAT IS HEAT STRESS?
Heat stress is a condition that occurs when the body is unable to regulate its internal temperature and cool itself through sweating. Heat stress shows many symptoms and encompasses several heat-induced illnesses such as heat stroke, heat exhaustion, heat cramps and heat rashes. These conditions are more likely to occur during hot summer months but may affect workers and athletes in various climates and conditions year-round. The most common composite measurement used to determine appropriate exposure to heat stress conditions is Wet Bulb Globe Temperature or "WBGT."
Featured Blogs
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Indoor Heat Stress Monitoring for Workers: Why WBGT Matters More Than Heat Index
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Indoor heat stress is a growing occupational safety risk across warehouses, manufacturing plants, distribution centers, food processing facilities, and commercial kitchens. While many employers assume heat illness is primarily an outdoor problem, indoor environments often trap heat, restrict airflow, and generate additional radiant load from ... -
What Is WBGT? A Practical Guide to Wet Bulb Globe Temperature
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Wet Bulb Globe Temperature (WBGT) is a heat-stress index used to estimate how hot conditions feel to the human body during work, sports, or physical activity-especially in direct sun. Unlike plain air temperature, WBGT accounts for multiple factors that drive heat strain, including humidity (your ability to sweat and cool), radiant heat (sun or hot... -
Arizona's Heat Challenge: Protecting Workers in a Warming State
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Arizona's extreme summer temperatures are more than an inconvenience - they are a serious occupational hazard. With annual average highs in Phoenix often exceeding 100°F and record-breaking heat waves becoming the norm, workers across industries face real and life-threatening risks. From construction crews under the desert sun to warehouse ...
