Environment in Jersey 57 indicators covering environment for Jersey. IndicatorLatest Year10-yr change Rank Standard Deviation 0.486 °C 2025 unchanged 61st Temperature change 2 °C 2025 up 70.7% 54th Standard Deviation, annual growth rate 0 % change on previous year 2025 — 10th Historical exposure to drought — Land soil moisture anomaly -3.05 Percentage change 2025 down 251.9% 97th Exposure to drought — Land soil moisture anomaly 0.2705 Percentage change 2024 down 36.9% 80th Forest area 680 hectares 2025 up 13.3% 219th Share of global forest area 0.0% 2025 up 14.5% 219th Change in domestic forest area vs. deforestation embedded in imported goods 2 hectares 2025 — 83rd Annual change in forest area vs. GDP per capita 0.3% 2025 — 35th Annual change in forest area 2 hectares 2025 — 83rd Annual change in forest area as a share of forest area 0.3% 2025 — 36th Exposure to outdoor air pollution 8.1 µg/m³ 2024 down 20.6% 186th Exposure to air pollution from human sources 6.98 micrograms per cubic meter 2024 down 18.6% 167th Using improved drinking water sources vs. GDP per capita 98.0% 2024 up 0.3% 135th Share of the population using improved water sources 98.0% 2024 up 0.3% 135th Share of population not using improved drinking water sources 1.9% 2024 down 11.9% 97th People not using improved drinking water sources 2,025 people 2024 down 9.0% 144th People using at least a basic drinking water source 101,821 people 2024 up 3.5% 194th Share of population using at least a basic drinking water source 98.0% 2024 up 0.3% 110th People not using safely managed drinking water sources 7,430 people 2024 down 8.8% 135th Drinking water service usage 92.8% 2024 up 1.0% 65th Share using safely managed drinking water 92.8% 2024 up 1.0% 65th River flooding exposure — Cropland share exposed to river flooding 0 Percentage of agricultural land area 2022 — 142nd 15.2.1 Forest area under an independently verified forest management 0 1000 ha 2024 — 80th Average proportion of Marine Key Biodiversity Areas (KBAs) covered by 64.1% 2025 up 0.0% 65th Average proportion of Terrestrial Key Biodiversity Areas (KBAs) 64.1% 2025 up 0.0% 70th Share of terrestrial Key Biodiversity Areas that are protected 64.1% 2025 up 0.0% 66th Protected area coverage of marine key biodiversity areas 64.1% 2025 up 0.0% 61st 15.1.1 Forest area — Value 0.68 1000 ha 2025 up 13.3% 204th 15.1.1 Forest area as a proportion of total land area — Value 5.67 % 2025 up 13.4% 179th 15.1.1 Land area — Value 12 1000 ha 2025 unchanged 204th Proportion of population using safely managed sanitation services, by 95.0% 2024 unchanged 27th Proportion of population using safely managed drinking water 92.8% 2024 up 1.0% 66th Proportion of population using basic drinking water services, by 98.0% 2024 up 0.3% 116th Proportion of population using basic sanitation services, by location 100.0% 2024 unchanged 1st People using improved drinking water sources 2,025 people 2024 down 9.0% 139th Drinking water services 0 people 2024 — 119th Reservoir maximum water area 0 2022 — 153rd Reservoir minimum water area 0 2022 — 153rd Lakes and rivers seasonal water area 0.4791 2022 up 86.0% 230th Lakes and rivers permanent water area 0.5497 2022 up 30.7% 222nd Land cover and land cover change — Grassland 2.31 Square kilometres 2022 unchanged 163rd Land cover and land cover change — Gain of artificial surfaces 4.57 Square kilometres 2022 up 2.7% 156th Land cover and land cover change — Loss of cropland 4.57 Square kilometres 2022 up 2.7% 155th Lakes and rivers seasonal water area change 88.9% 2022 up 5,710.4% 77th Lakes and rivers permanent water area change 49.7% 2022 up 240.9% 36th Forest area certified under an independently verified certification 0 2024 — 92nd Forest certified for sustainable use 0 thousands of hectares 2024 — 85th Exposure to outdoor air pollution in urban areas 7.99 micrograms per cubic meter 2023 down 25.3% 182nd Forest area as a proportion of total land area 5.7% 2025 up 13.4% 209th Forest area 0.68 2025 up 13.3% 236th Share of global annual deforestation 0.0% 2020 — 78th Share of annual global forest expansion 0.0% 2020 — 73rd Annual forest expansion 0 hectares per year 2020 — 73rd Annual afforestation 0 hectares per year 2020 — 67th Annual deforestation as a share of forest area 0.0% 2020 — 78th Annual deforestation 0 hectares per year 2020 — 78th