jMh{"app":"GaiaLog","data_type":"air_quality","timestamp":1758229200000,"payload":{"air_quality_index":17,"carbon_monoxide":3.3,"coarse_particulate_matter_pm10":4,"fine_particulate_matter_pm25":17,"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":3.2,"ozone":17.1,"timestamp":"2025-09-18T21:00:00.000Z","payload_sha256":"ca12e5756ba8998ca8ebe1e06dfa1a44f47b2dfcabfa53c5b7ecb64d4ec088c1","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjE3LCJwbTI1IjoxNywi"},"provider":"WAQI"}
https://whatsonchain.com/tx/fa31b0b22539fc3f211e5ac609c6eea70a907a0dcafe47a76eb5f79ec9b3bc83