Working safely in extreme temperatures and wildfire smoke
Last updated on September 14, 2026Extreme heat and wildfire smoke can affect workplace conditions and increase risks to employee health and safety. The steps needed to manage these risks depend on the conditions, the work being performed and whether employees are working indoors or outdoors.
Use this page to identify measures for assessing workplace conditions, reducing exposure and supporting safe work during heat events and wildfire smoke.
Heat in indoor workplaces
Review how to manage heat in offices and other indoor workplaces, including steps people leaders can take when temperatures exceed the acceptable range.
Working outdoors during heat events
Find out how to assess heat risks, protect employees working outdoors and determine when work should be modified, rescheduled or supported by an exposure-control plan.
Wildfire smoke and workplace air quality
Review how to monitor air quality, reduce exposure to wildfire smoke and protect employees working indoors and outdoors.