{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/wildfire-risk/03801/","name":"Wildfire risk for ZIP 03801 — Portsmouth (NH), NH","description":"Wildfire risk data for ZIP 03801 (Portsmouth (NH), New Hampshire), sourced from USDA Forest Service.","topic":{"slug":"wildfire-risk","label":"Wildfire risk","source":"USDA Forest Service","sourceUrl":"https://wildfirerisk.org/","refreshCadence":"Annual (USFS update)","summary":"Pages translate the numeric hazard score into plain English, show the exposure type (direct flame contact vs. ember), and link to at-home mitigation resources.","limitations":"Community-level only. The 5-step scale reflects the hazard of the landscape, not property-specific factors like defensible space or construction materials."},"place":{"zip":"03801","city":"Portsmouth (NH)","state":"NH","stateFull":"New Hampshire","county":"Rockingham County (NH)","countySlug":"rockingham-county","geo":{"latitude":43.0772,"longitude":-70.7626}},"stateContext":{"topConcern":"Radon, lead in older housing","narrative":"New Hampshire is uniformly Zone 1 radon. Older Manchester + Nashua + Portsmouth housing stock carries lead-service-line risk. Coastal flood zones limited to small NH coastline."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/wildfire-risk/03801/","zipDashboardUrl":"https://zipradar.org/zip/03801/","zipDashboardApiUrl":"https://zipradar.org/api/zip/03801/","primarySourceUrl":"https://wildfirerisk.org/","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/wildfire-risk/03801/"}}