预警升级！今天18：00，长沙正式启动！尽量少出门

Core Viewpoint - Changsha City has issued an orange alert for heavy pollution due to adverse weather conditions, local accumulation of pollutants, and fireworks, predicting a prolonged period of light to moderate pollution starting December 28, 2025, with an Air Quality Index (AQI) exceeding 150 for over 72 hours [1] Group 1: Health Protection Measures - Vulnerable groups such as children, pregnant women, the elderly, and those with chronic diseases are advised to stay indoors and limit outdoor activities [2] - General public is recommended to reduce outdoor activities and wear appropriate masks if outdoor work is unavoidable [2] - Schools and kindergartens are advised to suspend outdoor activities [2] - Large outdoor events and activities in tourist areas should be curtailed, with measures for crowd control and reduced opening hours [2] - Medical institutions are encouraged to promote awareness of health risks from air pollution and monitor respiratory disease cases [2] Group 2: Pollution Prevention Measures - Organizations are encouraged to save electricity and reduce energy consumption, including lowering heating temperatures and minimizing standby energy use of office equipment [3] - Public is urged to adopt green transportation methods, such as using public transport or electric vehicles, and to reduce idling time [3] - There is a call for reduced use of volatile organic compounds in products by both organizations and the public [3] - Polluting enterprises are advised to control emissions and improve pollution control efficiency based on actual conditions [3] Group 3: Mandatory Pollution Control Measures - Implementation of emergency reduction measures for industrial sources as per the orange alert level guidelines [6] - Restrictions on heavy-duty vehicles with emissions standards below Euro IV in designated areas, with exceptions for electric vehicles [6] - Construction sites are to halt activities that generate dust, and increased cleaning frequency on main roads is mandated [7] - Open burning of agricultural waste is strictly prohibited, and monitoring of restaurant emissions is intensified [7]