Iran

Country in Asia

In brief

Air pollution PM2.5, µg/m³: 40.3 (2023). World rank 178 of 200 (1 = best); in Asia, 34 of 47. CO₂ emissions, tonnes per person: 9.1 (2024). World rank 181 of 203 (1 = best); in Asia, 36 of 48. Water stress, share of fresh water withdrawn: 81.3% (2022). World rank 157 of 178 (1 = best); in Asia, 32 of 47. From 2015 to 2025: protected areas 6.5% → 7%.

Air and emissions

Air pollution PM2.5, µg/m³: 40.3 2023
CO₂ emissions, tonnes per person: 9.1 2024
All greenhouse gases, tonnes CO₂e per person: 11.5 2024

Nature and water

Forest cover: 6.6% 2024
Protected areas: 7% 2025
Renewable fresh water, m³ per person: 1,435 2022
Water stress, share of fresh water withdrawn: 81.3% 2022