jMg{"app":"GaiaLog","data_type":"air_quality","timestamp":1759093200000,"payload":{"air_quality_index":132,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":69,"fine_particulate_matter_pm25":132,"location":"Mengyin monitoring station, Mengyin County (èé´å¿èé´çæµç«)","location_ascii":"Mengyin monitoring station, Mengyin County (????????)","nitrogen_dioxide":20.2,"ozone":4.5,"timestamp":"2025-09-28T21:00:00.000Z","payload_sha256":"c530da61f88c026b28fdcfde2fdee94ff7744a0467a221511fe4fa98fef85f25","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjEzMiwicG0yNSI6MTMy"},"provider":"WAQI"}
https://whatsonchain.com/tx/5449fea885c8a30b6cbedb29ed13dce2129f2e2db6f3bef3b5cdbc8c19e67d5f