{"station_id":"IESH-KMC-001","station_name":"Kathmandu Central Station","location":"Lalitpur, Kathmandu Metropolitan City","altitude_m":1350.0,"latitude":27.6915,"longitude":85.3205,"timestamp":"2026-09-13T07:39:40.673569Z","temperature_c":null,"humidity_rh":null,"pressure_hpa":null,"pm1_0":null,"pm2_5":null,"pm10":null,"co2_ppm":null,"co_ppm":null,"uv_index":null,"soil_temp_c":null,"soil_moisture_pct":null,"quality_flag":"suspect","firmware_version":"v0.1.0"}