Index layer | Data Layer | Source of data | Unit | Index trend | Index weight | Original data | Comprehensive index | ||
---|---|---|---|---|---|---|---|---|---|
2017 | 2018 | 2017 | 2018 | ||||||
Pressure indicators | Total number of visitors | Non-monitored | 10,000 persons | − | 0.08 | 5012 | 6180 | 0.24 | 0.16 |
Sulphur dioxide emissions | Non-monitored | Ton | − | 0.08 | 0 | 0.01 | |||
Smoke emission | Non-monitored | Ton | − | 0.08 | 1.13 | 0.18 | |||
Total permanent population | Non-monitored | Persons | − | 0.08 | 24.48 | 24.57 | |||
State indicators | PM2.5 | Monitored data | μg/m3 | − | 0.08 | 40 | 38 | 0.08 | 0.32 |
Sulfur dioxide concentration | Monitored data | μg/m3 | − | 0.08 | 10 | 9 | |||
Forest area | Non-monitored | ha |  +  | 0.08 | 22,503 | 22,677 | |||
Negative oxygen content | Monitored data | per unit volume/cm3 |  +  | 0.08 | 2496 | 2550 | |||
Response indicators | Environmental management expenditure | Non-monitored | 10,000 yuan |  +  | 0.08 | 361 | 738 | 0.09 | 0.16 |
Pollution control expenditure | Non-monitored | 10,000 yuan |  +  | 0.08 | 1678 | 1123 | |||
Area of newly planted forest | Non-monitored | ha |  +  | 0.08 | 3000 | 3000 | |||
Expenditure on forestry cultivation | Non-monitored | 10,000 yuan |  +  | 0.08 | 1058 | 1145 | |||
Environmental health index | 0.42 | 0.64 |