The Xiaomi Home Assistant is a smart home system that integrates various devices, including air purifiers. However, some users have reported issues with the temperature entity data for their air purifiers, specifically the hpro model. In this article, we will explore the possible causes of this problem and provide step-by-step solutions to resolve it. The issue is characterized by the temperature entity displaying incorrect values, such as 0 degrees or -250 degrees, despite the actual temperature being around 23 degrees. To troubleshoot this issue, users can try restarting their Home Assistant system, checking the device settings, and updating the Xiaomi Home Integration version. If the problem persists, users can refer to the Home Assistant logs for more information. The expected behavior is for the temperature entity data to be corrected, displaying the accurate temperature value. By following these troubleshooting steps, users can resolve the temperature entity issue with their Xiaomi Home Assistant and ensure that their air purifiers are working correctly.