When did China pull the air defense siren, and why did it pull the air defense siren today?

China will conduct an air defense alert on the following dates:

1.On 17 September, eight cities across the country tested air defense sirens, namely Shenyang, Harbin, Dalian, Nanjing, Hangzhou, Wuhan, Guangzhou, and Kunming.

2.The third Saturday of November: Suzhou siren test day, in order to commemorate the huge losses suffered in the "77 Incident", on the third Saturday of November, the city sounded the air defense siren for 15 minutes at the same time.

In addition, in some special periods or events, air defense sirens may also be tested.

Air Defense Day is a day set by each province and municipality on its own hidden hills, and the state does not stipulate it. It is not a unified date for the whole country, but generally for each province and municipality to choose a more important war date as the day of air defense.

Air defense alert provisions:

1. Advance alarm. Ring for 36 seconds, stop for 24 seconds, 3 times for a cycle. This kind of alert is to inform the residents of the city in advance that the enemy may carry out an air raid on the city, and to warn the people to prepare for the air attack on Gyeongsa Prefecture in advance.

2. Air raid alarm. Ringing for 6 seconds, stopping for 6 seconds, 15 times for a cycle. This kind of alert is issued when enemy planes or other air raid weapons are close to the sky over the city and the air raid operation is about to start or has begun, informing people to quickly take protective measures such as evacuation and shelter to prevent air raids.

3. Dismiss the alarm. Tweet for 3 minutes for a cycle. This kind of alarm is to inform the people that the air raid situation has been lifted, and the work of cleaning up and eliminating the consequences of the air raid can be carried out in accordance with the air raid plan, and at the same time, normal production and life in the city can be restored.

The above content reference: Encyclopedia - Air Defense Alert.

It's not an air raid siren but a fire siren, because it's the 119th anniversary, why don't you even understand this, so stupid.

Reason: Air defense alarm is an important part of urban air defense engineering, used in peacetime for disaster relief and disaster relief and emergency reporting in the case of sudden accidents, used for civil air defense in wartime, is the basic means for the people at all levels to implement civil air defense command, organize personnel evacuation, is the city is threatened by air raids to remind people of air defense alarm.

The purpose is to enable the people's air defense organs and professional contingents to take timely action in accordance with the plan, so that the people can evacuate and conceal themselves in a timely manner, reduce the loss of people's lives and property, maintain the war potential, and strive for victory in the struggle against air raids.

Testimonial dates around the country:

In order to express the deep condolences of the people of all ethnic groups across the country for the martyrs and deceased compatriots in the fight against the new crown pneumonia epidemic, it was decided to hold a national mourning event on April 4, 2020. During this period, flags were flown at half-mast at national and embassies and consulates abroad, and public entertainment activities were suspended throughout the country. At 10 a.m. on April 4, the people of the whole country observed a three-minute silence, with cars, trains, and ships honking their horns and air defense sirens sounding.

The whole area of Taiyuan City conducts an air defense siren test on November 8 every year. On November 8, 1937, Taiyuan was captured by the Japanese invading army. In order to warn people to be prepared for danger in times of peace and not to forget the national shame, Taiyuan City decided in 2000 to set November 8 as the day of the alarm test, so as to enhance the citizens' national defense concept and air defense awareness, and improve the city's comprehensive protection and ability to respond to major disasters and emergencies.

The above content reference: Encyclopedia - Air Defense Alert.

The day of pulling the air defense siren is as follows: Liyun shouted1. When mourning the leader.

2. When inspecting civil air defense equipment.

3. When conducting national defense education.

4. When encountering an attack.

5. Special anniversaries.

Other provisions of the air defense alert.

Article 18 of the "Measures for the Administration of Air Defense Alarms" In times of war, civil air defense warning signals shall be uniformly issued by the local civil air defense command department or the command organ at a higher level.

Article 19 In the event of a major natural disaster, a large-scale toxic gas leak or other major regional emergencies, the issuance of warning signals shall be decided by the people at or above the county level.

Prisons, large factories and mines, reservoirs, airports and other key protection units, as well as other units with civil air defense warning facilities, in the event of a fire, **, chemical hazard accident or other major emergencies, and it is really necessary to sound the alarm and meet the requirements of the warning signal issuance plan, may first sound the alarm, and at the same time report to the competent department of civil air defense for the record.

Dear, if the air defense siren sounds, there may be several reasons:1War or military exercises:

In the case of certain natural disasters such as tornadoes, **, etc., when ** is likely to be dangerous, air defense equipment can sound an alarm to remind the population to take necessary safety measures. 3.Technical glitch:

Air defense warning systems can be caused by technical failures and false alarms, especially in relatively old equipment. Please note that these reasons are for informational purposes only and are not exhaustive. You need to judge the actual situation and take appropriate safety measures.