Duplicate OpenAQ data

gistfile1.txt

{
  "PL": {
    "Belsk": {
      "IGFPAN": 1
    },
    "Siedlce": {
      "Konarskiego": 3
    },
    "Radom": {
      "Tochtermana": 4
    },
    "Piast\u00f3w": {
      "Pu\u0142askiego": 2
    },
    "Warszawa": {
      "Ursyn\u00f3w": 1,
      "Targ\u00f3wek": 2,
      "Komunikacyjna": 1
    },
    "P\u0142ock": {
      "Gimnazjum": 1,
      "Reja": 2
    },
    "Legionowo": {
      "Zegrzy\u0144ska": 1
    }
  },
  "TH": {
    "Bangkok": {
      "Hiran Ruchi, Thon Buri": 2
    },
    "Nonthaburi": {
      "Bang Phut, Pak Kret": 1
    }
  },
  "IN": {
    "Thane": {
      "Pimpleshwar Mandir, Dombivali - MPCB": 1
    },
    "Delhi": {
      "Mandir Marg": 1
    },
    "Jaipur": {
      "VK Industrial Area Jaipur - RSPCB": 3
    },
    "Hyderabad": {
      "ZooPark": 3,
      "Sanathnagar - Hyderabad - TSPCB": 1
    },
    "Mumbai": {
      "Maharashtra Pollution Control Board Bandra": 1
    }
  },
  "GB": {
    "Birmingham": {
      "Birmingham Tyburn": 1
    }
  },
  "TW": {
    "Central": {
      "Erlin": 2,
      "Fengyuan": 2,
      "Puli": 1,
      "Xitun": 1,
      "Dali": 1,
      "Shalu": 1,
      "Xianxi": 1
    },
    "Hua-Tung": {
      "Taitung": 2,
      "Hualien": 2
    },
    "North": {
      "Tucheng": 1,
      "Xindian": 1,
      "Zhongli": 1,
      "Longtan": 1,
      "Guanyin": 1,
      "Wanhua": 1,
      "Xizhi": 1,
      "Zhongshan": 2,
      "Banqiao": 1,
      "Yonghe": 1,
      "Pingzhen": 1,
      "Taoyuan": 2,
      "Dayuan": 2
    },
    "Yun-Chia-Nan": {
      "Douliu": 1,
      "Taixi": 2,
      "Xingang": 1,
      "Lunbei": 1,
      "Annan": 2,
      "Shanhua": 1,
      "Puzi": 1,
      "Xinying": 1,
      "Mailiao": 1,
      "Chiayi": 2
    },
    "Yilan": {
      "Yilan": 1
    },
    "Taiwan": {
      "Magong": 1,
      "Kinmen": 1
    },
    "Chu-Miao": {
      "Toufen": 1,
      "Hsinchu": 1,
      "Zhudong": 1
    },
    "KaoPing": {
      "Pingtung": 2,
      "Renwu": 1,
      "Qianjin": 2,
      "Qianzhen": 2,
      "Daliao": 1,
      "Hengchun": 1,
      "Qiaotou": 2,
      "Xiaogang": 1,
      "Nanzi": 1,
      "Chaozhou": 1,
      "Linyuan": 1,
      "Meinong": 1
    }
  },
  "CL": {
    "Quill\u00f3n": {
      "Quill\u00f3n": 1
    },
    "Quintero": {
      "Loncura": 1
    },
    "Coronel": {
      "Lota urbana": 2,
      "Lagunillas": 1,
      "Coronel Norte": 1,
      "Lota rural": 1
    },
    "Hualp\u00e9n": {
      "ENAP Price": 4
    },
    "R\u00e1nquil": {
      "Nueva  Aldea": 1
    },
    "Cerro Navia": {
      "Cerro Navia": 1
    },
    "Talcahuano": {
      "Indura": 2
    },
    "Tocopilla": {
      "Escuela E-10": 1
    },
    "Conc\u00f3n": {
      "Conc\u00f3n": 1
    }
  },
  "US": {
    "FOREST": {
      "POTAWATOMI": 1
    },
    "Davenport-Moline-Rock Island": {
      "Davenport, 10th & Vi": 1
    },
    "SACRAMENTO": {
      "Natomas - Goldenland": 1
    }
  },
  "MN": {
    "Ulaanbaatar": {
      "MNB": 9,
      "100 ail": 2,
      "Amgalan": 5,
      "Nisekh": 7,
      "Tolgoit": 5
    }
  },
  "MX": {
    "DISTRITO FEDERAL": {
      "San Juan de Arag\ufffdn": 1,
      "Coyoac\ufffdn": 1
    },
    "GUANAJUATO": {
      "Estaci\ufffdn CICEG": 1,
      "Estaci\ufffdn T21": 1,
      "Estaci\ufffdn Facultad de": 2,
      "Estaci\ufffdn Te\ufffddula": 1,
      "Estaci\ufffdn Seguridad P": 2,
      "Estaci\ufffdn San Juanico": 2,
      "Estaci\ufffdn DIF": 3
    },
    "MEXICO STATE": {
      "San Agust\ufffdn": 1,
      "Tultitl\ufffdn": 3,
      "Atizap\ufffdn": 1,
      "Nezahualc\ufffdyotl": 2
    }
  },
  "PE": {
    "Lima": {
      "Santa Anita": 1,
      "San Juan De Lurigancho": 1
    }
  },
  "NL": {
    "Cabauw": {
      "Cabauw-Wielsekade": 1
    },
    "IJmuiden": {
      "PNH IJmuiden": 1
    },
    "Wijk aan Zee": {
      "PNH Wijk aan Zee": 1
    }
  }
}