{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/openuv/main/json-schema/openuv-uv-index-schema.json",
  "title": "OpenUV UV Index",
  "description": "Current UV index reading for a coordinate, including ozone, sun position and Fitzpatrick skin-type safe exposure times.",
  "type": "object",
  "required": ["result"],
  "properties": {
    "result": {
      "type": "object",
      "required": ["uv", "uv_time", "uv_max", "uv_max_time", "ozone", "ozone_time", "safe_exposure_time", "sun_info"],
      "properties": {
        "uv": { "type": "number", "description": "Current UV index." },
        "uv_time": { "type": "string", "format": "date-time" },
        "uv_max": { "type": "number", "description": "Daily maximum UV index (at solar noon)." },
        "uv_max_time": { "type": "string", "format": "date-time" },
        "ozone": { "type": "number", "description": "Total column ozone in Dobson units." },
        "ozone_time": { "type": "string", "format": "date-time" },
        "safe_exposure_time": {
          "type": "object",
          "description": "Minutes of safe unprotected sun exposure per Fitzpatrick skin type.",
          "properties": {
            "st1": { "type": ["integer", "null"] },
            "st2": { "type": ["integer", "null"] },
            "st3": { "type": ["integer", "null"] },
            "st4": { "type": ["integer", "null"] },
            "st5": { "type": ["integer", "null"] },
            "st6": { "type": ["integer", "null"] }
          }
        },
        "sun_info": {
          "type": "object",
          "properties": {
            "sun_times": {
              "type": "object",
              "properties": {
                "solarNoon": { "type": "string", "format": "date-time" },
                "nadir": { "type": "string", "format": "date-time" },
                "sunrise": { "type": "string", "format": "date-time" },
                "sunset": { "type": "string", "format": "date-time" },
                "sunriseEnd": { "type": "string", "format": "date-time" },
                "sunsetStart": { "type": "string", "format": "date-time" },
                "dawn": { "type": "string", "format": "date-time" },
                "dusk": { "type": "string", "format": "date-time" },
                "nauticalDawn": { "type": "string", "format": "date-time" },
                "nauticalDusk": { "type": "string", "format": "date-time" },
                "nightEnd": { "type": "string", "format": "date-time" },
                "night": { "type": "string", "format": "date-time" },
                "goldenHourEnd": { "type": "string", "format": "date-time" },
                "goldenHour": { "type": "string", "format": "date-time" }
              }
            },
            "sun_position": {
              "type": "object",
              "properties": {
                "azimuth": { "type": "number", "description": "Solar azimuth in radians." },
                "altitude": { "type": "number", "description": "Solar altitude in radians." }
              }
            }
          }
        }
      }
    }
  }
}