Can I go to Yinchuan today?

Of course. According to official website's inquiry on epidemic prevention and control in Yinchuan, as of June 4, 2022, you can enter Yinchuan with a 48-hour nucleic acid test green code and a star-free travel code. Yinchuan, referred to as "Yin" for short, is the capital of Ningxia Hui Autonomous Region and an important central city in northwest China approved by the State Council. Yinchuan is located in the middle of Ningxia Plain in the upper reaches of the Yellow River.