Environment in American Samoa 573 indicators covering environment for American Samoa. IndicatorLatest Year10-yr change Rank 15.4.2a Mountain Green Cover Index: Total; Land Cover: MGCI — Value 98.81 % 2021 unchanged 27th 15.4.2a Mountain Green Cover Index: Total; Land Cover: Permanent snow 0 % 2021 — 28th 15.4.2a Mountain Green Cover Index: Total; Land Cover: Shrub-covered 0 % 2021 — 141st 15.4.2a Mountain Green Cover Index: Total; Land Cover: Shrubs and/or 0 % 2021 — 140th 15.4.2a Mountain Green Cover Index: Total; Land Cover: Sparsely 0 % 2021 — 82nd 15.4.2a Mountain Green Cover Index: Total; Land Cover: Terrestrial 0 % 2021 — 98th 15.4.2a Mountain Green Cover Index: Total; Land Cover: Tree-covered 56.33 % 2021 unchanged 71st 15.2.1 Proportion of forest area with a long-term management plan 16.03 % 2025 unchanged 80th 15.4.2a Mountain green cover area: Remaining moutain area; Land 0 km2 2021 — 133rd 15.4.2a Mountain green cover area: Remaining moutain area; Land 0 km2 2021 — 1st 15.4.2a Mountain green cover area: Remaining moutain area; Land 0 km2 2021 — 67th 15.4.2a Mountain Green Cover Index: Remaining moutain area; Land 0 % 2021 — 134th 15.4.2a Mountain Green Cover Index: Remaining moutain area; Land 0 % 2021 — 1st 15.4.2a Mountain Green Cover Index: Remaining moutain area; Land 0 % 2021 — 58th PM2.5 pollution, population exposed to levels exceeding WHO Interim 0.0% 2017 — 92nd PM2.5 pollution, population exposed to levels exceeding WHO Interim 0.0% 2017 — 123rd PM2.5 pollution, population exposed to levels exceeding WHO Interim 0.0% 2017 down 100.0% 166th Forest certified for sustainable use 0 thousands of hectares 2024 — 85th Forest area certified under an independently verified certification 0 2024 — 92nd Lakes and rivers seasonal water area change -6.0% 2022 up 66.8% 240th Lakes and rivers permanent water area change 28.9% 2022 up 604.1% 56th Insecticides — Export value 2.38 1000 USD 2007 down 96.9% 131st Exposure to outdoor air pollution in urban areas 6.36 micrograms per cubic meter 2023 down 8.8% 202nd Coastal water bodies and intertidal areas — Area from CGLS 25.88 1000 ha 2019 — 103rd Insecticides — Export quantity 0.311 t 2007 down 98.3% 131st Above-ground forest biomass 148.26 tonnes per hectare 2025 unchanged 72nd Above-ground biomass in forest 148.26 2025 unchanged 75th Forest area 15.85 2025 unchanged 202nd Forest area as a proportion of total land area 79.2% 2025 unchanged 9th Share of forest area within protected areas 16.0% 2025 unchanged 107th Proportion of forest area within legally established protected areas 16.0% 2025 unchanged 104th Proportion of forest area with a long-term management plan 16.0% 2025 unchanged 97th Share of forest with a long-term management plan 16.0% 2025 unchanged 95th ← Previous Page 10 of 10