Heat Alerts and Extreme Heat Alerts
No heat alert
There is no heat alert at this time
From May 15 to September 30 of each year, Toronto Public Health staff monitors the heat health alert system to determine when the Medical Officer of Health should declare a heat or extreme heat alert. During this time, the site is updated daily with the current alert status.
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The heat health alert system
Learn more about how alerts are forecast and Toronto's hot weather response plan -
Air conditioned public places
Visit shopping malls, local libraries or community centres to cool down -
Plan for landlords
Three simple steps that can help save lives during periods of hot weather
During Hot Weather Conditions
Please call or visit family, friends and neighbours, especially isolated seniors to make sure they are alright.
Other groups at risk include people with chronic and pre-existing illnesses, infants and young children, people on certain medications and those who are marginally housed or homeless.
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Useful Contacts
If you become ill, faint, have trouble breathing or feel confused or disoriented, call your doctor. In an emergency, call 911
During Alerts, for heat advice and related services, call the Canadian Red Cross Heat Information Line 416-480-2615 (9am - 9pm)
For more information on Toronto's Alert and Response System call Toronto Health Connection at 416-338-7600