Is it bad to leave food outside in this weather in Beijing?

Whether the weather outside Beijing will be bad depends on the release time. According to 65438+February 2, 2022, the weather in Beijing is -6℃- 1℃. The temperature is relatively low, and the food can't go bad outdoors for a day. If the temperature reaches above 20 degrees Celsius, the food will soon go bad outside and can't be eaten the next day.