The main substances released by aircraft engines into the atmosphere are carbon dioxide, nitrogen, oxides, water vapor, non-methane volatile organic compounds, carbon monoxide, sulfur gases, soot and other particles.

• 飞机发动机排放到大气中的物质主要有二氧化碳、氮气、氧气、水蒸气、非甲烷挥发性有机物、一氧化碳、含硫气体以及烟和其它颗粒。