jMm{"app":"GaiaLog","data_type":"air_quality","timestamp":1758902400000,"payload":{"air_quality_index":132,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":75,"fine_particulate_matter_pm25":132,"location":"Weifang College, High-tech Development Zone (é«æ°å¼ååºæ½åå¦é¢)","location_ascii":"Weifang College, High-tech Development Zone (?????????)","nitrogen_dioxide":56.8,"ozone":1.7,"timestamp":"2025-09-26T16:00:00.000Z","payload_sha256":"daf0c0e2ba1a01d990485acd553a14cc5d73dad49163141ba24b0c365de5ea4b","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjEzMiwicG0yNSI6MTMy"},"provider":"WAQI"}
https://whatsonchain.com/tx/aa3f4fbb61ba643773f5952d9ca180c745a465a7ce5218ef72805515cafd4eab