Availability of Green Open Space at Informal Settlement in Malang City

Residential, especially informal settlements in Malang City, is strongly influenced by the interaction of various factors. Problems with the quality of informal settlements in Malang City, one of which is lack of management and increasing in the area of green open space. Malang City still does not meet the minimum percentage in providing green open space, which is 20%. Thus, efforts are needed to increase the area of green open space in order to improve the quality of informal settlements and create a sustainable city in accordance with sustainable development goals. For this reason, the purpose of this study is to identify availability of green open space in informal settlements in the city of Malang. The analytical technique used in this study is image interpretation analysis by comparing the conditions of Malang City in 2012 with the conditions of Malang City in 2022. The method used in the analysis of image interpretation is NDVI analysis. The result of this research is that in 2012, Malang City was dominated by very low vegetation density of 44%. Then, in 2022, Malang City will still be dominated by very low vegetation density with the percentage increasing to 57%. This shows that there is a decrease in the area of green open space in informal settlements in Malang City. Based on this, it is necessary to increase the area of green open space in informal settlements according to the characteristics of each settlement, such as providing river border green open space and local garden green open space.