Chicago Urban Canopy & Heat Mortality Simulator

Neighborhood Scenario

Baseline Canopy: 18.5%

Annual Mature Tree Loss: 2.2%

Sapling Replanting Ratio: 1.5x

Heat Vulnerability Index: 8.4 / 10

Urban Block Grid Tool

Click cell to toggle: 🌳 Mature → 🌱 Sapling → ⬛ Asphalt

Timeline: Year 11 of 11

Mature Canopy Retained

12.8%

Leaf Area Index (Δ%)

-24.6%

Net Summer Heat Δ

+1.85°F

Excess Deaths / 100k

+14.2

11-Year Mortality & Heat Trajectory

Cooling Capacity: Mature vs Sapling

Critical canopy deficit: Saplings replace only 18% of lost cooling capacity over 11 years, exacerbating heat wave mortality.

Accessible 11-Year Longitudinal Data Table

Year	Mature (%)	Saplings (#)	LAI Deficit	Heat Δ (°F)	Mortality / 100k