长沙解除重污染天气黄色预警

Group 1 - The air quality index (AQI) is forecasted to be between 55 and 80 on February 18, indicating good air quality [1] - On February 19, the AQI is expected to range from 60 to 90, also indicating good air quality [1] - The Changsha Ecological Environment Protection Committee Office has decided to lift the yellow alert for heavy pollution and terminate the Level III emergency response measures starting from 12 PM on February 18 [1]