5 Countries That Produce the Most Pollution in the World

2. Pakistan

Annual Average PM2.5 Concentration (2023): 73.7 μg/m³

Total Waste Generation (2018): 22.50 Mega tonnes per year

Total GHG Emissions (2020): 443.60 Mega tonnes of CO2e

EPI Water and Sanitation Score (2020): 17.4

Insider Monkey Score: 12.2

Pakistan is one of the top countries with the worst air in the world. In 2020, the country emitted 443.6 megatonnes of CO2e. It is ranked 2nd on our list.