jMg{"app":"GaiaLog","data_type":"air_quality","timestamp":1758765600000,"payload":{"air_quality_index":46,"carbon_monoxide":3.3,"coarse_particulate_matter_pm10":33,"fine_particulate_matter_pm25":46,"location":"Dingbian County No. 4 Middle School, Yulin (æ¦æå®è¾¹å¿ç¬¬åä¸å¦)","location_ascii":"Dingbian County No. 4 Middle School, Yulin (?????????)","nitrogen_dioxide":3.7,"ozone":37,"timestamp":"2025-09-25T02:00:00.000Z","payload_sha256":"526e6edce584d12e2fc40a63336963511000b83183cd116f916bbedf6124bfcc","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjQ2LCJwbTI1Ijo0Niwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/f259ccc577a3d54f3250fd6dffaa7b8c70fdc8c2fca69d6cd25b7c5ba10c2963