Air Murder (Korean: 공기살인; RR: Gonggisarin) is a 2022 South Korean legal drama film written and directed by Jo Yong-sun.

The film, based on novel Gyun by So Ji-won,[2] which deals with the humidifier disinfectant disaster that actually happened in Korea,[a] was released on April 22, 2022.

[4][5] The setting of Air Murder is based on the PHMG-caused lung disease outbreak in South Korea and the struggle to uncover the cause of the disease in South Korea.

[6] Script reading was held on September 29, 2020, and filming began on October 9, 2020.

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