Objective: To determine the environmental factors associated with Allergic Rhinitis in children under 15 years of age treated at the Primavera Medical Clinic in the Los Olivos district in the 2020 period. materials and methods: The following study is analytical, observational, cross-sectional, retrospective, cases and controls. A sample of 302 patients was obtained, 151 cases and 151, all of them were patients under 15 years of age treated at the Primavera Medical Clinic. This information was obtained through the review of archived medical records and statistical data of the morbidity report in the period 2020 in the pediatric service, then it was analyzed using the IBM SPSS version 26 program for Windows 10. Results: Of the 302 patients. The results of this study regarding the characteristic and frequency of allergic rhinitis in children under 15 years of age from the Primavera Medical ...