Loudoun County, Virginia
Geo level: countyFIPS: 51107Last update: 2/26/2026
Map
Exposure Layers
Health Burden (vs State & National)
asthma — hospitalization_rate
Unit: per 10,000 population | Source: Virginia Department of Health, Environmental Public Health Tracking (2023)
Region4.2
State5.1
National4.9
95% CI: [3.5, 5]
asthma — prevalence
Unit: percent | Source: BRFSS (Behavioral Risk Factor Surveillance System) (2023)
Region8.2
State9.4
National8
Model Drivers (SHAP)
- PM2.5positive (mean SHAP: 0.280)
- traffic_proximitypositive (mean SHAP: 0.220)
- socioeconomic_indexnegative (mean SHAP: -0.180)
- green_spacenegative (mean SHAP: -0.120)
Model Card
- Version
- 1.0
- Training cutoff
- 2024-06-01
- Features used
- PM2.5, traffic_proximity, socioeconomic_index, green_space, healthcare_access
Educational Resources
- Loudoun County Health Department— Community health data and programs
- Northern Virginia Asthma Coalition— Regional asthma awareness and support
- Virginia Asthma Hospitalizations Dashboard— VDH asthma hospitalization rates by county