北京疾控发布空气重污染黄色预警健康提示

Group 1 - The core viewpoint of the articles highlights the air quality forecast for Beijing, indicating a potential level 4 moderate pollution from December 18 to 19, 2025, and the initiation of a yellow alert for air pollution [1] - The Beijing CDC advises the public to take health precautions during this period of air pollution [1] Group 2 - Acute health hazards from heavy pollution include symptoms such as cough, sore throat, and eye irritation, and can exacerbate chronic diseases like asthma and cardiovascular conditions [2] - Chronic health risks associated with long-term exposure to heavy pollution include increased incidence of respiratory diseases and cardiovascular issues, as noted by the World Health Organization [2] Group 3 - During heavy pollution events, individuals are advised to minimize exposure by staying indoors, especially vulnerable groups such as children, pregnant women, the elderly, and those with pre-existing health conditions [4] - Schools are encouraged to reduce outdoor activities based on local air quality conditions [5] Group 4 - Recommendations for indoor air quality include closing windows, avoiding smoking indoors, and minimizing activities that may worsen indoor air pollution [5] - The use of air purification devices is suggested to lower indoor pollutant concentrations during heavy pollution [11] Group 5 - Proper mask selection and usage are emphasized to mitigate health impacts from pollution, with a recommendation to use masks that meet GB/T 32610-2016 standards [7] - It is important to ensure a good fit of the mask to the face to prevent air leakage [8] Group 6 - Guidelines for using air purifiers include keeping rooms as sealed as possible and ensuring that the purifier is not obstructed [12] - Air purifiers should be operated at high settings initially for rapid air purification, followed by a quieter setting to maintain air quality [13]