Data scope
UCRI LA v1.0 is a mixed-vintage planning baseline using 2020 census tracts, 2021 NLCD tree canopy and impervious surface, 2023 Landsat summer land-surface temperature, 2022 CDC/ATSDR SVI, and CalEnviroScreen 4.0 crosswalked to 2020 tract geography.
Outputs support screening and planning. They are not regulatory, engineering, or funding-approval determinations.