Widespread deforestation and other land use changes across southeast Asia have significantly worsened air quality over the past two decades, contributing to thousands of premature deaths and billions of dollars in economic losses, according to new research.
The 2025 IQ Air World air quality report, had analysed air quality data from 9,446 cities in 143 countries, regions, and territories around the world.
Chinese and European satellites have tracked a vast plume of sulfur dioxide from the damaged oil facilities in Tehran, revealing how nearly 30,000 tons of the toxic gas spread across the Middle East within days of the March 2026 attacks.