Fireworks are set off during the Mid-Autumn Festival in the United States to celebrate the festival's significance and to create a festive atmosphere. The Mid-Autumn Festival, also known as the Moon Festival, is a traditional Chinese holiday that commemorates the harvest and the moon's fullness. It is celebrated on the 15th day of the eighth lunar month, typically in September or October. In the United States, where a significant portion of the population is of Chinese descent, the festival has gained popularity, and fireworks have become a key element of the celebration.

The use of fireworks during the Mid-Autumn Festival serves several purposes. Firstly, it is a way to honor the festival's roots and traditions. Fireworks symbolize the beauty and grandeur of the moon, which is a central theme of the celebration. According to the Chinese lunar calendar, the moon is at its fullest and brightest on this day, making it a perfect occasion to admire the moon and its splendor. The fireworks, with their vibrant colors and spectacular displays, mimic the moon's glow and add to the magical ambiance of the festival.

Secondly, fireworks are set off to bring good fortune and prosperity. In Chinese culture, the moon is often associated with luck and happiness. By watching the fireworks, people believe they are welcoming positive energy and blessings into their lives. This belief is rooted in the festival's historical significance, as it was traditionally a time for families to gather and give thanks for the harvest. The fireworks, therefore, serve as a symbol of gratitude and the hope for a bountiful future.

Data from the National Fire Protection Association (NFPA) supports the use of fireworks during the Mid-Autumn Festival. According to the NFPA, fireworks are a popular form of entertainment during holidays and special events. In 2020, for example, an estimated 18,500 fires were reported in the United States, resulting in 18 civilian deaths, 1,400 civilian injuries, and $643 million in direct property damage. While the Mid-Autumn Festival is not one of the top holidays for fireworks-related incidents, the use of fireworks during this time is a reflection of the festival's cultural significance and the joy it brings to the community.

In conclusion, fireworks are set off during the Mid-Autumn Festival in the United States to celebrate the festival's traditions, honor the moon, and bring good fortune. The use of fireworks during this time is a testament to the festival's cultural importance and the joy it brings to the community. While fireworks can be dangerous if not handled properly, the benefits of celebrating the Mid-Autumn Festival with fireworks far outweigh the risks, as long as safety measures are taken.