Weifang Meteorological Observatory issued a foggy yellow warning signal at 07: 55 on February 15.

Weifang Meteorological Observatory issued a foggy yellow warning signal at 07: 55 on February 15.

At present, fog with visibility less than 500 meters has appeared in Shouguang, Linqu and Zhucheng, and visibility in some areas is less than 200 meters. It is expected that the foggy weather will continue this morning, so please take precautions.

Defense guide:

1. Relevant departments and units shall prepare for fog prevention according to their duties;

2 airports, expressway, ferry terminals and other units to strengthen traffic management to ensure safety;

3. Drivers should pay attention to the change of fog and drive carefully;

4. Pay attention to safety in outdoor activities.

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According to the joint consultation between Weifang Meteorological Observatory, Shandong Weifang Ecological Environment Monitoring Center and Weifang "one city, one policy" station tracking research group, due to a wide range of adverse meteorological conditions, the near-surface wind in our city changed frequently in June 5438+February 65438+May, and the diffusion conditions were poor, local pollutants were easy to accumulate, and at the same time, due to the input of headwind pollution, it was mainly moderate pollution from early morning to early morning, and short-term heavy pollution might occur in the afternoon.

16 was slightly to moderately polluted in the early morning, and the air quality was improved by cold air in the afternoon. There may be pollution input in the upwind direction. At night, the pollution is aggravated first and then gradually removed, with an average of good-light pollution, and the primary pollutant is PM2.5 or PM 10.

Emergency headquarters Office of Weifang City reminds that all enterprises consciously take emission reduction measures, strictly implement the "six measures" for dust prevention and control in construction sites, make people travel as green as possible, do personal protection, avoid outdoor activities as much as possible for susceptible groups such as children, the elderly and patients, and reduce outdoor courses in primary and secondary schools and kindergartens.