Component | Label | Sub-index | Weight |
1. Soil/Land (CR = 0.094) | 1.1 1.2 1.3 | Land subsidence condition Percentage of land for green area Soil pollution | 0.13 0.58 0.29 |
2. Water quality (CR = 0.105) | 2.1 2.2 2.3 2.4 2.5 | Quality of water supply Quality of natural water Surface and groundwater pollution Drainage capability of the area Groundwater’s exploitation | 0.07 0.12 0.20 0.28 0.33 |
3. Air quality (CR = 0.081) | 3.1 3.2 3.3 3.4 | Particulate matters Transport air pollution Pollution from business establishments Pollution from burning coal, garbage, or other items outdoors | 0.63 0.08 0.13 0.16 |
4. Landscape (CR = 0.038) | 4.1 4.2 4.3 | Surrounding green and entertainment areas Openness level of the surrounding environment Surrounding Ecosystem | 0.15 0.65 0.21 |
5. Noise (CR = 0.102) | 5.1 5.2 5.3 | Noise from vehicles Noise from business activities Noise from construction activities | 0.16 0.54 0.30 |
6. Odor (CR = 0.054) | 6.1 6.2 6.3 6.4 | Odor from untreated garbage Odor from sewers Odor from outdoor business activities (such as street vendor) Odor from solid waste transfer stations and landfills | 0.12 0.17 0.29 0.41 |
7. Solid waste (CR = 0.052) | 7.1 7.2 7.3 7.4 | Volume of waste generated (kg/day/person) Waste composition Percentage of waste collected/recycled Solid waste pollution (street garbage, litters on sewers) | 0.10 0.21 0.35 0.33 |