Heat Stress

Ontario.ca/heatstress

  • Content last reviewed: December 2015

Heat stress can happen when hot, humid conditions and physical activity overcomes your body’s natural cooling system. You might suffer cramps and fainting, or even serious heat exhaustion and heat stroke. Heat stroke can kill quickly.

Video


Heat Stress

Heat Stress

Resources

Contact Us

Health and Safety Contact Centre

Toll-free: 1-877-202-0008
TTY: 1-855-653-9260

  • Report incidents, critical injuries or fatalities. If this is an emergency call 911 immediately.
  • Workplace health and safety inquiries.
  • Report unsafe work practices.

Other ways to contact us