El Salvador
Country in Americas
In brief
Air pollution PM2.5, µg/m³: 29.6 (2023). World rank 150 of 200 (1 = best); in Americas, 36 of 39. All greenhouse gases, tonnes CO₂e per person: 2.3 (2024). World rank 65 of 203 (1 = best); in Americas, 7 of 43. Protected areas: 2.1% (2025). World rank 168 of 213 (1 = best); in Americas, 31 of 46. From 2015 to 2025: protected areas 2.2% → 2.1%. Better than all its neighbours (Guatemala and Honduras): air pollution PM2.5. Worse than all its neighbours (Guatemala and Honduras): protected areas, CO₂ emissions, and water stress.