{

  "sensor_id": "ES-01_ANO_XEIA_EVBOIAS",
  "timestamp": "2025-07-14T10:15:00Z",
  "location": {
    "lat": 38.21511,
    "lon": 21.74446
  },
  "environmental_data": {
    "PM1": 2.4,
    "PM2_5": 8.5,
    "PM10": 35.1,
    "temperature": 29.5
  },
  "weather_data": {
    "temperature": 30.0,
    "humidity": 68.0,
    "wind_speed": 1.5,
    "UV_index": 6.4,
    "pressure": 1015.0
  },
  "water_quality": {
    "pH": 8.24,
    "orp": -132.01,
    "oxygen": 100.29,
    "conductivity": 56911.29
  },
  "smart_parking": {
    "area": "Δημοτική Αγορά",
    "available_spots": 12,
    "total_spots": 69
  },
  "wifi_hotspots": {
     "name": "Πλατεία Τριών Συμμάχων",
     "wifi_connections": 412,
     "bluetooth_devices": 7
    }
 }