The objective of this study was to evaluate the "Caja de Agua" urban forest of 3.06 ha located in the district of San Juan Lurigancho in the province of Lima, Peru, using the i-Tree Eco and i-Tree Canopy programs. A forest census was conducted in the study area in which all tree and arborescent individuals with a diameter at breast height (DBH) greater than 2.5 cm at 1.30 m from the ground were measured. In total, 765 individuals were recorded, grouped into 43 species, 40 genera and 22 botanical families. With the i-Tree Eco program, the environmental services provided by the "Caja de Agua" trees were estimated, which were the elimination of 256.9 kg/year of air pollutants (CO, O3, SO2, NO2, PM2.5 and PM10), the annual capture of 16.44 metric tons of carbon, the storage of 172 metric tons of carbon and the production of 43.83 metric tons of oxygen per year. It was determined that the for...