American Samoa
Territory in Oceania
In brief
Air pollution PM2.5, µg/m³: 4.3 (2023). World rank 7 of 200 (1 = best); in Oceania, 6 of 17. CO₂ emissions, tonnes per person: 0 (2024). World rank 1 of 203 (1 = best); in Oceania, 1 of 19. All greenhouse gases, tonnes CO₂e per person: 0.2 (2024). World rank 5 of 203 (1 = best); in Oceania, 5 of 19.