nymea/libnymea/interfaces/o3sensor.json

{
    "extends": "sensor",
    "description": "O3 (ozone) sensors. Measures o3 in parts per million.",
    "states": [
        {
            "name": "o3",
            "type": "double",
            "unit": "MicroGrammPerCubicalMeter",
            "minValue": 0,
            "maxValue": 500,
            "logged": true
        }
    ]
}