How many levels of heavy pollution weather warning have Shijiazhuang started?
During the Class I emergency response, industrial enterprises in Shijiazhuang should stop production in turn and within a limited time, so as to reduce the total emission of air pollutants by more than 50%; Cement and cement grinding stations, calcium magnesium, ceramics and other enterprises in the building materials industry should stop production and discharge; Key vehicle enterprises involved in the transportation of bulk raw materials and products such as steel, coking, cement, nonferrous metals, electric power, chemical industry, etc., should adopt staggered peak transportation according to the production requirements of industry emission reduction.
In addition, during the Class I emergency response period, vehicles passing through the restricted area will be subject to the motor vehicle restriction measures of "single number driving for one day and even number driving for two days". If the suffix is English letters or Chinese characters, the last digit shall prevail. The restricted time is from 7: 00 am to 8: 00 pm, during which the city bus is free.