Acute respiratory infection (ARI) ranks first of 10 major diseases in Primary Health Care Bangetayu with the highest percentage in Penggaron Lor Subdistrict. Skill to learn distribution and frequency of diseases as well as determinant factors that affect human health is needed in determine the most effective intervention to increase public health level. This study aimed to determine dominant factors related to ARI incidence in location of practice for community of medical students of Islam Sultan Agung University, Semarang. This study used cross-sectional design with 100 respondents and the samples were collected by stratified random sampling. Ten variables examined were environmental sanitation risk factors, while six related to behavior and health care. Data analysisused a chi-square test (bivariate) and multiple regression logistic (multivariate). Environmental sanitation factors were significantly related to ARI including the presence of ventilation, smoke hole kitchen, bedroom, residential density and the most dominant factor was the habit of smoker family members in Penggaron Lor Subdistrict. This location can be used as a practice area for the community of medical students who take Public Health Studies due to complex health problems.