jM\{"app":"GaiaLog","data_type":"air_quality","timestamp":1759093200000,"payload":{"air_quality_index":76,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":33,"fine_particulate_matter_pm25":76,"location":"Cao County No. 1 Middle School, Cao County (æ¹å¿æ¹å¿ä¸ä¸)","location_ascii":"Cao County No. 1 Middle School, Cao County (??????)","nitrogen_dioxide":8.3,"ozone":6.5,"timestamp":"2025-09-28T21:00:00.000Z","payload_sha256":"543878193c3fda8845b53ac136184ec00510b782b0a552c0d91a842ddc5bd84e","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjc2LCJwbTI1Ijo3Niwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/eb87a8d87eb6f0a466c468fb01ac33cf310e221d4c5797b9ee38e415de4b8aaf