Eritrea
Country in Africa
In brief
Air pollution PM2.5, µg/m³: 33.7 (2023). World rank 165 of 200 (1 = best); in Africa, 35 of 54. CO₂ emissions, tonnes per person: 0.2 (2024). World rank 24 of 203 (1 = best); in Africa, 15 of 53. Protected areas: 0% (2025). World rank 204 of 213 (1 = best); in Africa, 52 of 54. From 2015 to 2025: protected areas 3% → 0%. Worse than all its neighbours (Djibouti, Ethiopia, and Sudan): protected areas.