Islamabad [Pakistan], March 24 (ANI): Pakistan has been ranked the world's most polluted country in 2025, with levels of hazardous fine particulate matter far exceeding global health standards, Dawn reported on Tuesday.
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 guidel
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