jM{"app":"GaiaLog","data_type":"air_quality","timestamp":1759244400000,"payload":{"air_quality_index":109,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":58,"fine_particulate_matter_pm25":109,"location":"Wucheng County No. 4 Middle School, Wucheng County (æ¦åå¿æ¦åå¿ç¬¬åä¸å¦)","location_ascii":"Wucheng County No. 4 Middle School, Wucheng County (??????????)","nitrogen_dioxide":18.3,"ozone":24.4,"timestamp":"2025-09-30T15:00:00.000Z","payload_sha256":"10fc5a4f8be49dece47457b13a3e57af0fac6c8b620559a90e6ac14eb4cbe481","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjEwOSwicG0yNSI6MTA5"},"provider":"WAQI"}
https://whatsonchain.com/tx/6dee12fc2db91ec465de9f439bfde9cb71bc8e615aaefe83c42e8454891fca82