The main focus of this report is to examine the impact of the road and petrol filling station on the surrounding population in terms of the difference in atmospheric conditions during daytime and nighttime. By comparing daytime and nighttime data collected by the instrument, we will find out the differences in the effects on the human body, and explore the reactions of harmful gases in the human body and the health problems that may be caused by these reactions. This will help us to better understand the potential dangers of these gases to the human body.Therefore, an in-depth analysis of the day/night atmospheric