core/homeassistant/components/luftdaten/translations/en.json

{
    "config": {
        "error": {
            "already_configured": "Service is already configured",
            "cannot_connect": "Failed to connect",
            "invalid_sensor": "Sensor not available or invalid"
        },
        "step": {
            "user": {
                "data": {
                    "show_on_map": "Show on map",
                    "station_id": "Sensor ID"
                }
            }
        }
    }
}