Heat Illness Prevention

Heat Illness banner showing a construction worker operating a jackhammer and a baker next to an industrial oven with the sun between them.

Every year, dozens of workers die and thousands more become ill while working in hot or humid conditions. The OSHA Heat Illness Prevention campaign educates employers and workers on the dangers of working in the heat.


Woman in a heated warehouse, wiping her brow.

Heat Illness General Education

Heat illness is serious, but you can prevent it.

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Woman working in a corn field.

Employer's Responsibility

Employers can keep workers safe in the heat.


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Construction worker drinking water

Worker Information

Understand workers' rights and what workers should know about heat illness.

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Information from Other Agencies

Heat Stress Information from NIOSH