At 16:44 on December 18, 2025, the Wuqing District Meteorological Observatory issued a yellow warning signal for heavy fog: it is expected that fog with visibility less than 500 meters will appear in all towns and streets in our district from late tonight to tomorrow morning, and local visibility will be less than 200 meters. Relevant units and personnel are requested to be prepared for prevention. Defense guidelines: 1. Relevant departments and units should prepare for fog prevention according to their responsibilities; 2. Strengthen traffic management and ensure safety in units such as highways; 3. Attention should be paid to traffic information before traveling, and drivers should pay attention to changes in fog and drive carefully; 4. Pay attention to safety during outdoor activities.

The Wuqing District Meteorological Observatory issued a yellow haze warning signal at 16:28 on December 18, 2025: It is expected that all towns and streets in our district will experience moderate to severe haze from this evening to tomorrow day, with poor visibility and easy formation of moderate to severe air pollution. Relevant units and personnel are requested to be prepared for prevention. Defense guidelines: 1. The government and relevant departments should prepare for haze prevention according to their responsibilities; 2. Polluting units take measures to control the production of polluting processes and reduce pollutant emissions; 3. Due to a significant decrease in air quality, personnel need to take appropriate protective measures. Kindergartens and primary and secondary schools may stop outdoor activities when necessary; 4. Elderly people, children, and patients with respiratory diseases should try to minimize going out and wear masks when going out.