Pulse Atlas's national map shades every U.S. county by its composite Health Equity Gap Score (0–100), combining insurance coverage, maternal mortality, chronic disease prevalence, provider supply, hospital access, transportation, broadband, and environmental exposure. Hover any state to preview its highest-need county; click to open the state hub with every county ranked and matched to evidence-based interventions. National median gap score is 44.6 across 3,144 counties.