jM~{"app":"GaiaLog","data_type":"air_quality","timestamp":1758675600000,"payload":{"air_quality_index":17,"carbon_monoxide":2.3,"coarse_particulate_matter_pm10":17,"fine_particulate_matter_pm25":9,"location":"Shanyang County Vocational Education Center, Shangluo (åæ´å±±é³å¿èæä¸å¿)","location_ascii":"Shanyang County Vocational Education Center, Shangluo (?????????)","nitrogen_dioxide":10.1,"ozone":5.3,"timestamp":"2025-09-24T01:00:00.000Z","payload_sha256":"7fd6f541dd01bcbd6fba59742612c736a3a64309b78a42ca23c73a53fec12fcb","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjE3LCJwbTI1Ijo5LCJw"},"provider":"WAQI"}
https://whatsonchain.com/tx/f9e4e1bcc56f4504c8a0118ab163d641102282bf74e73f065f690daeb8f0f0ec