{
  "code": 10000,
  "msg": "success",
  "sub_code": 50000,
  "sub_msg": "success",
  "result": {
    "cityName": "永清县",
    "co": "8",
    "coC": "0.8",
    "no2": "13",
    "no2C": "26.0",
    "o3": "35",
    "o3C": "112.0",
    "pm10": "82",
    "pm10C": "114.0",
    "pm25": "59",
    "pm25C": "42.0",
    "pubtime": "1681722000000",
    "rank": "455/683",
    "so2": "3",
    "so2C": "10.0",
    "value": "82",
    "city": {
      "cityId": 1890,
      "counname": "中国",
      "ianatimezone": "Asia/Shanghai",
      "name": "永清县",
      "pname": "河北省",
      "secondaryname": "廊坊市",
      "timezone": "8"
    }
  }
}