Why did Shenzhen sound the air defense alarm today?

In order to further enhance citizens' awareness of national defense and civil air defense and test the performance of the city's civil air defense alarm facilities, on September 18, 2022, Shenzhen will conduct an air defense alarm trial throughout the city, and more than a thousand air defense alarms will sound at the same time.

How to distinguish air defense alarm sound? It is reported that the trial sound of air defense alarm is carried out in the order of "early warning", "air raid alarm" and "disarming alarm", with each sound lasting for 3 minutes and an interval of 4-7 minutes. Among them, the pre-alarm sounded from 10: 40 to 10: 43, sounded for 36 seconds, stopped for 24 seconds, and repeated for 3 times, with 3 minutes each time; The air raid alarm sounds from 10: 50 to 10: 53, sounds for 6 seconds, stops for 6 seconds, and repeats 15 times for 3 minutes; The time to disarm the alarm is from 10: 57 to 1 10: 00, and it will ring continuously for 3 minutes.

According to reports, the Shenzhen Civil Air Defense Office has carried out key and step-by-step construction of the air defense early warning system in accordance with relevant requirements. At present, Shenzhen has built a civil air defense engineering system all over the city in combination with civil buildings and subways, and air defense alarms cover most areas of the city. In view of the existence of blind spots in newly-built areas in some cities, the Municipal Civil Air Defense Office makes statistics every year according to the situation reflected by the citizens whose air defense alarms sound, and carries out coverage and blind construction irregularly. It is understood that the Shenzhen Civil Air Defense Office is carrying out a new round of research on the construction of air defense alarms. Soon, Shenzhen will achieve full coverage of air defense alarms in new urban areas.

At the same time, in order to enhance citizens' awareness of national defense and air defense, Shenzhen Civil Defense Office organizes civil defense departments in various districts to conduct emergency evacuation and emergency rescue drills in streets, communities, schools and other places in combination with air defense alarm trial, and carry out civil defense publicity and education in various ways. This year, "Safe Shenzhen" was specially launched. "Civil air defense first" civil air defense knowledge online award-winning answering activities, online popularization of civil air defense knowledge, using WeChat official account, outdoor advertising screen and other ways to push drill information, to create a good atmosphere for the whole people to pay attention to civil air defense.

The municipal civil air defense office reminded that this alarm test was in a non-emergency state. During the trial of air defense alarm, except for some people who participated in relevant drills, the general public and temporary personnel who came to Shenzhen need not panic after hearing the alarm and maintain normal working and living order.