New York State Heat Risk and Illness Dashboard

    Extreme heat is the leading cause of weather-related deaths in the U.S and New York State. View outdoor weather heat conditions and heat-related illness in New York State excluding New York City. Data are available May 1 - September 30 during hot weather.

    The New York State Heat Risk and Illness Dashboard uses data from the National Weather Service, and the New York State Mesonet Early Warning Weather Detection System (via the New York State Weather Risk Communication Center), and the New York State Department of Health.

Technical Notes

  • HeatRisk forecast data is accessed from the National Environmental Public Health Tracking Network.
  • Daily peak heat index and historical heat index are provided by the State Weather Risk Communication Center and NYS Mesonet.
  • Emergency Department Data: Heat-related emergency department visits are from the New York State Department of Health’s Electronic Syndromic Surveillance System. The heat-related illness syndrome definition aims to capture all emergency department visits with diagnostic codes or chief complaints relating to sun stroke/heat stroke, heat exhaustion, and/or sun burn.
  • Emergency Medical Services Data: Emergency medical services providers collect and document heat-related incidents through standardized pre-hospital care reports. These reports are typically completed using electronic patient care report (ePCR) systems that comply with National Emergency Medical Services Information System (NEMSIS) standards. Categorical syndrome definition intended to detect incidents involving heat-related illness. The criteria are defined for NEMSIS v3 and v2 as follows:
    • NEMSIS v3: Labeled as heat-related illness if one or more of the following are true:
      • Narrative (eNarrative.01) or complaint (eSituation.04) contains: "feeling overheated", "heat emergency", "heat exhaustion", "heat exposure", "heatstroke", "outside in the heat", or other variants.
      • Provider primary or secondary impression (eSituation.11, eSituation.12) OR cause of injury (eInjury.01) indicate any of the following ICD-10 codes (sub-codes included): T67.0 - T67.7.
      • Protocols used (eProtocols.01) is one of the following:
        • 9914027 - Environmental-Heat Exposure/Exhaustion
        • 9914029 - Environmental-Heat Stroke/Hyperthermia
    • NEMSIS v2: Labeled as heat-related illness if the following is true:
      • Narrative (E13_01) or chief/secondary complaint (E09_05, E09_08) contains: "feeling overheated", "heat emergency", "heat exhaustion", "heat exposure", "heatstroke", "outside in the heat", or other variants.
  • The data presented in this dashboard is dynamic and continuously updated to provide real-time insights. However, due to the timing of data extraction, you may notice discrepancies when comparing this dashboard with other platforms.

Additional Resources