{
  "results": [
    {
      "location": {
        "id": "WX4FBXXFKE4F",
        "name": "北京",
        "country": "CN",
        "path": "北京,北京,中国",
        "timezone": "Asia/Shanghai",
        "timezone_offset": "+08:00"
      },
      "daily": [                
        {
          "aqi": "109",          //空气质量指数(AQI)是描述空气质量状况的定量指数
          "date": "2019-06-21"  //预报日期
        },
        {
          "aqi": "88",          
          "date": "2019-06-22"  
        },
        ... //下一天预报
      ],
      "last_update": "2019-06-21T10:15:06+08:00"  //预报发布时间
    }
  ]
}