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Pakistan Declared World's Most Polluted Country in 2025

3/24/2026

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Summary

Story summary

Pakistan was ranked the world's smoggiest country in 2025, with PM2.5 levels up to 13 times higher than the World Health Organization's limit of 5 micrograms per cubic meter.
IQAir, the Swiss air quality monitoring firm, released its report on March 24, 2026.
The report notes that 13 countries and territories had PM2.5 levels below the 5 micrograms per cubic meter WHO standard in 2025, up from seven in 2024.

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Story summary

Pakistan was ranked the world's smoggiest country in 2025, with PM2.5 levels up to 13 times higher than the World Health Organization's limit of 5 micrograms per cubic meter.
IQAir, the Swiss air quality monitoring firm, released its report on March 24, 2026.
The report notes that 13 countries and territories had PM2.5 levels below the 5 micrograms per cubic meter WHO standard in 2025, up from seven in 2024.