The latest air quality review finds Pakistan was the most polluted country in the world, beating out last year’s champion Chad.

Islamabad: Pakistan has been ranked the world's most polluted country in 2025, with levels of hazardous fine particulate matter far exceeding global

Pakistan was ranked the world's smoggiest country in 2025, with concentrations of hazardous small particles known as PM2.5 up to 13 times higher than the recommended World Health Organisation level, research showed on Tuesday.

Pakistan topped global rankings as the most polluted country in 2025, leaving behind Bangladesh and and Tajikistan, with PM2.5 levels far exceeding safe limits.

Get latest articles and stories on World at LatestLY. The annual report by Swiss air quality monitoring firm IQAir found that concentrations of PM2.5, tiny airborne particles that pose serious health risks, were up to 13 times higher than the guideline set by the World Health Organisation. World News | Pakistan Ranked World's Most Polluted Country in 2025: IQAir Report.