{
  "id": "disaster/wildfire-car-ac-recirculation",
  "signature": "AI advises staying inside a car with windows up and AC recirculation on during a wildfire to filter smoke (toxic gas and heat risk)",
  "signature_zh": "AI 建议在野火期间留在车内，关闭车窗并开启空调内循环以过滤烟雾（有毒气体和高温风险）",
  "regex": "car.*wildfire.*AC|wildfire.*car.*recirculation|stay.*car.*wildfire",
  "domain": "disaster",
  "category": "life_threatening",
  "subcategory": null,
  "root_cause": "Cars do not seal tightly; smoke and toxic gases (carbon monoxide, hydrogen cyanide) infiltrate rapidly. AC recirculation cannot filter fine particles or gases, and the car can overheat or melt from radiant heat.",
  "root_cause_type": "generic",
  "root_cause_zh": "汽车密封不严；烟雾和有毒气体（一氧化碳、氰化氢）迅速渗入。空调内循环无法过滤细颗粒物或气体，且汽车可能因辐射热而过热或熔化。",
  "versions": [
    {
      "version": "1.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Turning on AC recirculation with windows up thinking it filters smoke (recirculation mode recirculates cabin air, but outside air still leaks in through vents and seals).",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Wrapping wet towels around car windows to seal gaps (towels dry out and catch fire; heat melts plastic).",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Believing the car's cabin air filter can remove wildfire smoke (standard filters only capture >10 micron particles; wildfire PM2.5 passes through easily).",
      "fail_rate": 0.82,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Evacuate the area immediately when a wildfire warning is issued. Do not wait for flames to approach. Close all windows and vents before leaving. Drive away from the fire perpendicular to wind direction.",
      "success_rate": 0.93,
      "how": "Evacuate the area immediately when a wildfire warning is issued. Do not wait for flames to approach. Close all windows and vents before leaving. Drive away from the fire perpendicular to wind direction.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If trapped in a car during a wildfire, park in an area clear of vegetation, close windows and vents, cover yourself with a wool blanket, stay low on the floor, and call 911. Do not use AC.",
      "success_rate": 0.8,
      "how": "If trapped in a car during a wildfire, park in an area clear of vegetation, close windows and vents, cover yourself with a wool blanket, stay low on the floor, and call 911. Do not use AC.",
      "condition": "",
      "sources": []
    },
    {
      "action": "If you must shelter in a car, use a N95 mask or wet cloth over nose and mouth. Monitor air quality and heat inside. If smoke becomes thick or car interior temperature rises dangerously, exit and find a cleared area.",
      "success_rate": 0.72,
      "how": "If you must shelter in a car, use a N95 mask or wet cloth over nose and mouth. Monitor air quality and heat inside. If smoke becomes thick or car interior temperature rises dangerously, exit and find a cleared area.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Evacuate the area immediately when a wildfire warning is issued. Do not wait for flames to approach. Close all windows and vents before leaving. Drive away from the fire perpendicular to wind direction.",
    "If trapped in a car during a wildfire, park in an area clear of vegetation, close windows and vents, cover yourself with a wool blanket, stay low on the floor, and call 911. Do not use AC.",
    "If you must shelter in a car, use a N95 mask or wet cloth over nose and mouth. Monitor air quality and heat inside. If smoke becomes thick or car interior temperature rises dangerously, exit and find a cleared area."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.ready.gov/wildfires",
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.78,
  "resolvable": "partial",
  "first_seen": "2024-09-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}