本文报道广九直通车及车站公共场所卫生状况调查情况。结果表明,温度和湿度超标率分别为30.0%和27.5%;噪声超标,超标率达43.8%;空气质量指标CO,可吸入尘(IP)和细菌总数均未超标;客车厢CO_2超标显著,超标率为43.5%;有旅客吸烟的餐车CO明显高于无吸烟的客车厢;在旅客入出境过程中,各场所空气质量指标均较入出境前显著升高,而入出境结束后半小时又迅速降低。 This article reports on the investigation of the hygiene conditions in public transit at Guangjiu Station and in public places. The results showed that the over-standard rates of temperature and humidity were 30.0% and 27.5%, respectively. The noise exceeded the standard and the over-standard rate was 43.8%. The air quality index (CO), inhalable dust (IP) and total bacteria were not exceeded. The rate of 43.5%; passenger smoking car CO was significantly higher than the non-smoking passenger car; passengers entering and leaving the process, the air quality indicators of various places were significantly higher than before entering and leaving the territory, but after entering and leaving the end of half an hour and quickly reduce.