How often these injuries happen
OSHA recorded 2,581 severe cases of environmental heat exposure over the last decade. The vast majority of these incidents result in effects of heat and light, which can quickly escalate into life-threatening medical emergencies.
The severity of these cases often leads to extended recovery periods and significant medical costs for you.
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Heat exposure incidents occur when you are subjected to extreme environmental temperatures without adequate cooling, breaks, or hydration. These events often involve outdoor construction tasks, attic work, or delivery routes where the physical environment creates an immediate risk of heat stress. When your employer fails to provide shade or water, your risk of physical collapse increases significantly.
| Injury Type | Incidents | |
|---|---|---|
| 1 | Effects of heat and light | 2,566 |
| 2 | Ischemic heart disease, including heart attack | 5 |
| 3 | Other traumatic injuries— n.e.c. | 3 |
| 4 | Effects of poison, toxic, or allergenic exposure— unspecified | 1 |
| 5 | Traumatic injuries or exposures— unspecified | 1 |
| 6 | General symptoms | 1 |
| 7 | Intracranial Injuries | 1 |
| 8 | Thermal burns | 1 |
Where injuries happen most
Construction accounts for 23% of all severe heat exposure cases, as you are frequently exposed to direct sunlight and high-temperature environments. Transportation and warehousing follow closely, where the combination of enclosed spaces and physical labor creates dangerous conditions that require strict adherence to safety protocols.
Real cases like yours
Common patterns in these reports involve you performing physical labor in confined spaces like attics or outdoors during peak temperature hours. Many incidents involve you experiencing sudden cramping, light-headedness, or total physical collapse while on the job. If any of these scenarios sound like what happened to you, an attorney can help you understand your legal options.
| Year | State | Industry | Incident summary | |
|---|---|---|---|---|
| 2025 | MA | Construction | "An employee had been working in a customer's attic and was later hospitalized due to dehydration." | |
| 2025 | MA | Construction | "An employee was working in an attic and sustained heat exhaustion and dehydration." | |
| 2025 | FL | Construction | "An employee was installing a generator on a construction site when they began cramping and could not move. The employee sustained heat stress." | |
| 2025 | NJ | Transportation & Warehousing | "An employee was delivering mail when they sustained heat exhaustion." | |
| 2025 | FL | Other Services | "An employee completed an auto glass replacement job outside and experienced light-headedness and weakness in their body. The employee sustained heat exhaustion." | |
| 2025 | FL | Administrative Services | "An employee was walking down a sidewalk operating a stick edger and completing maintenance near the clubhouse. The employee lost consciousness due to heat exhaustion and struck his head and chest. The employee was hospitalized." | |
| 2025 | PA | Transportation & Warehousing | "A driver returned from their route and started experiencing heat stress symptoms. The employee sustained heat exhaustion." | |
| 2025 | PA | Transportation & Warehousing | "A delivery driver was returning to his vehicle when he started having leg cramps. The employee was hospitalized for dehydration." | |
| 2025 | OK | Transportation & Warehousing | "An employee was making deliveries when he started to feel ill. He returned to the office but started feeling worse. The employee was hospitalized with heat stroke and a kidney injury." | |
| 2025 | MS | Construction | "An employee was hanging steel in hot weather. The employee felt sick and was hospitalized with dehydration." |
Source: OSHA Severe Injury Reports. Narratives are verbatim from filings; identifying details may have been redacted by OSHA.