This page has some additional resources about the health effects of heat and how to keep yourself, clients and loved ones safe.
Resources for Professionals
For Public Health & Emergency Management
For Health Care Workers
Board of Health Reports Regarding Hot Weather
- Strengthening Heat Resilience in the City of Toronto (October 10, 2019)
- Heat Relief Services Update (April 8, 2019)
- Heat Relief Services Update Report (February 12, 2019)
- Heat Relief Services (November 14, 2018)
- Increasing Access to Cooling in the Community (February 14, 2018)
- Reducing Vulnerability to Extreme Heat in the Community and at Home (May 3, 2017)
- Hot Weather Response for Vulnerable People in Toronto (September 12, 2016)
- Update on Extreme Heat and Maximum Indoor Temperature Standard for Multi-unit Residential Buildings (November 16, 2015)
- Climate Change and Health Strategy for Toronto (June 12, 2015)
- Reducing Health Risk from Extreme Heat in Apartment Buildings (June 11, 2015)
- Strategies to Prevent Heat-Related Illness and Deaths from Extreme Heat Emergencies (June 13, 2014)
- Protecting Vulnerable People from Health Impacts of Extreme Heat (July 6, 2011)
- Hot Weather Response Plan Update (January 27, 2009)
Previous Heat Warning Dates
Starting in 2019, Toronto Public Health no longer issues heat warnings to the public as they are already communicated broadly by Environment & Climate Change Canada. Learn more about Toronto’s Hot Weather Response.
2022 Heat Warnings
- May: 31
- June: 20-22, 24-27
- July: 18-24
- August: 5-8
2021 Heat Warnings
- June: 4-8, 29
- July: 4-6
- August: 10-12, 19 & 20
2020 Heat Warnings
- May: 26 & 27
- June: 9 & 10, 20-22
- July: 2-10, 17-19, 25-27
- August: 9 &10, 23 & 24
2019 Heat Warnings
- July: 5 & 6, 18-21, 26-30
Previous Heat Warnings
Data is available on the number of Heat Warnings from 2001 to 2018.