According to the forecast of the Environmental Protection Agency, the forecast for the Yunjianan empty area (2/8) is a first-level warning level (AQI: 155). In addition, the forecast for the Yunjianan empty area for the next three days has reached the first-level warning for two consecutive days. For PM2.5, Mayor Huang Weizhe specially reminded: Dear citizens, please remember to wear a mask when you go to work or go out, and avoid strenuous outdoor exercise!