Heat Alert

Niagara Region Public Health and Emergency Services is no longer issuing heat advisories. Follow Environment Canada for the most up-to-date alerts, and check with your local municipality to see if cooling centres are available.

Risks During a Heat Alert

During excessive high heat, everyone is at risk, but those most at risk of developing a heat-related illness include:

  • Infants and children
  • Seniors
  • People living in poverty and / or without permanent shelter
  • People with high blood pressure, heart and / or respiratory problems
  • People who work or exercise outdoors

Health Affects During A High Heat Alert

Heat stroke

Symptoms include:

  • Confusion, dizziness, nausea, muscle swelling, heat disturbance, headache, seizure, unconsciousness and / or coma

Heat stroke is a medical emergency and can be fatal. Seek immediate medical attention. Call 911 if you are caring for someone who has a high body temperature and is either unconscious, confused or has stopped sweating.

Heat exhaustion

Symptoms include:

  • Heavy sweating, weakness, dizziness, nausea, vomiting, fainting

Seek medical attention if you feel your health and safety is at risk.

Sun safety

Increased ultraviolet ray exposure from being outside for extended periods of time can put you at risk for developing sun burns, skin cancer, cataracts, eye lesions and retinal burns. Discover sun safety tips to reduce your risk for sun-related illnesses.

Protect Yourself During a Heat Alert

  • Stay indoors in air conditioned buildings
  • Plan outdoor activities during cooler parts of the day
  • Rest often in shaded areas
  • Never leave infants, children or pets in a parked car
  • Drink plenty of fluids
  • Dress in cool, loose clothing and shade your head with a hat or umbrella
  • Take cool showers until you feel refreshed

To review your municipal emergency response plan, visit our emergency management page.

Historical Data for High Heat Alerts

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