jMC{"app":"GaiaLog","data_type":"air_quality","timestamp":1758618000000,"payload":{"air_quality_index":31,"carbon_monoxide":0.1,"coarse_particulate_matter_pm10":20,"fine_particulate_matter_pm25":38,"location":"Penglai EPA, Penglai City (è¬è±å¸è¬è±ç¯ä¿å±)","location_ascii":"Penglai EPA, Penglai City (????????)","nitrogen_dioxide":6.4,"ozone":30.9,"timestamp":"2025-09-23T09:00:00.000Z","payload_sha256":"85e29a95b88d7d0a1819995db35a8ab6e61c01dc409a33e184ab07ebaf6c13fe","db_source_hash":"eyJ0eXBlIjoiYWlyX3F1YWxpdHkiLCJhcSI6eyJhcWkiOjMxLCJwbTI1IjozOCwi"},"provider":"WAQI"}
https://whatsonchain.com/tx/4c8cb6d73cbf429b60c8f1f73df42e106ab8ccc414d590538aed33a397c0773d