Current air pollution in urban areas is becoming increasingly widespread problem. The study found that the Environmental Protection Agency of the United States. The grilled meat on a direct flame to cause air pollution, including carbon monoxide, dust, small and volatile organic compounds. Consistent with the study of important sources of volatile organic compounds in the atmosphere of Bangkok. Volatile organic compounds, which are precursors of ozone, the air pollution. Cause irritation to the respiratory tract. Affect lung function. A cause of chronic lung disease.