20 Cleanest Countries In the World In 2024

2. Iceland

Annual Average PM2.5 Concentration (2023): 4 μg/m³

Total Waste Generation (2018): 0.26 Mega tonnes per year

Total GHG Emissions (2021): 3.27 Mega tonnes of CO2e

EPI Water and Sanitation Score (2020): 100

Insider Monkey Score: 154.5

Iceland is home to a scenic environmental landscape, with a high quality of air. The country has a perfect EPI score for its water and sanitation levels. It is ranked among the cleanest countries on our list.