5 Most Air Polluted Countries in Asia

2. Pakistan

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

Pakistan ranks 2nd on our list of the most air polluted countries in Asia. The country has a particulate matter concentration of 73.7 μg/m³, as of 2023. Its PM2.5 concentration is 14.7 times higher than the WHO guidelines. The most air polluted city in Pakistan is Lahore, as of 2023.