According to Article 81 of People's Republic of China (PRC) Air Pollution Prevention Law:

The catering service operators who discharge lampblack shall install lampblack purification facilities and keep them in normal use, or take other lampblack purification measures to discharge lampblack up to the standard to prevent pollution to the normal living environment of nearby residents.

It is forbidden to build, rebuild or expand catering service projects that produce oil smoke, odor and waste gas in residential buildings, commercial and residential buildings and commercial floors adjacent to residential floors in commercial and residential buildings without special flues.

No unit or individual may barbecue food in the open air or provide a venue for barbecue food in the area prohibited by the local people's government.

Extended data:

According to article 1 18 of the air pollution prevention law of People's Republic of China (PRC):

In violation of the provisions of this law, in residential buildings, commercial and residential buildings that are not equipped with special flues, and commercial floors adjacent to residential floors in commercial and residential buildings, the supervision and management departments determined by local people's governments at or above the county level shall order them to make corrections; Refuses to correct, be closed, and impose a fine of not less than ten thousand yuan but not more than one hundred thousand yuan.

Baidu Encyclopedia-People's Republic of China (PRC) Air Pollution Prevention and Control Law