Using data to target priority areasUsing data to target priority areas
Trees improve quality of life. To identify which areas have the most needs, we combined canopy cover, surface temperature, air quality, flood risk, health, and social vulnerability data into maps. See your community’s canopy cover and how it impacts your neighborhood.
Trees in the Chicago region are not distributed evenly or equitably. The Chicago region has 23% canopy cover, far below the national average.
This map shows the percentage of canopy for each census tract. Tree canopy data comes from a LiDAR-based analysis that can identify trees with less than a four-square-foot canopy.
Urban areas tend to be hotter because concrete and other built surfaces absorb the sun’s energy and release it as heat, raising temperatures to dangerously high levels that make cities less livable and require more energy for cooling.
This map shows the average temperature for each community. There is a direct correlation between canopy cover and excessive heat; areas with more trees tend to be much cooler. Temperature data were derived from a satellite image that was taken in September of 2014.
They increase property values, and people who live around trees are healthier and happier. The benefits that trees provide are especially needed in underserved, vulnerable communities. This data set identifies which tree census block groups are the most vulnerable by distinguishing those with low incomes, non-English-speaking, and a high proportion of minority populations.