Neighbourhood Heat Risk Pilot — Independent Community Tool
This pilot map shows which Toronto neighbourhoods are most vulnerable to extreme heat.
It combines age, income, and high-rise density
data to calculate a Vulnerability Index for each of the city's
158 neighbourhoods. Click any neighbourhood to explore its data.
Vulnerability Index
5.4 – 8.1 Highest risk
3.9 – 5.4 High risk
2.5 – 3.9 Medium risk
1.6 – 2.5 Low risk
0.3 – 1.6 Lowest risk
Map Layers
Air Conditioned & Cool Spaces
Green Spaces & Parks
Heat Relief Tips
Call 311 (free, 24/7) to find your nearest cool space
Stay in shade between 11am – 4pm
Drink water even before you feel thirsty
Check on elderly neighbours during heat waves
Visit a free library, pool, or community centre
Data sources: City of Toronto Open Data; Statistics Canada
2021 Census (25% sample). Vulnerability Index = average of normalised
age, income & high-rise density scores. Pilot resource only — not for formal policy use without
updated data validation. • toronto.ca/heat