银川启动重污染天气黄色预警 多举措减排改善空气质量

Group 1 - The city of Yinchuan has issued a yellow alert for heavy pollution due to adverse weather conditions and pollution transmission, with air quality expected to range from moderate to heavy pollution from December 16 to 18 [1] - The primary pollutant identified is fine particulate matter (PM2.5), with air quality forecasted to be mainly moderate on December 17 and reaching moderate to heavy pollution on December 18 [1] - A series of mandatory emission reduction measures have been implemented, requiring key industries such as refining, chemicals, and cement to reduce emissions by over 10% through production halts or load reductions [1] Group 2 - High-emission vehicles are restricted from the roads, and non-compliant non-road mobile machinery is prohibited from use [1] - All construction sites, except for emergency rescue operations, are to suspend earthwork, and all dirt trucks are to cease operations [1] - The city has increased the frequency of road cleaning and watering to mitigate pollution [1] Group 3 - The meteorological department has advised vulnerable groups, including children, the elderly, and those with chronic respiratory or cardiovascular conditions, to minimize outdoor activities [1] - General public is encouraged to reduce outdoor time, and schools may suspend outdoor physical activities [1] - Citizens are advised to use public transportation and turn off vehicles when parked to reduce emissions [1][2]