Guwahati, May 30 -- By NE NOW NEWS

Guwahati: A recent scientific study has found that air pollution levels across the region have increased sharply over the past two decades, turning what was once considered one of India's cleanest areas into a major pollution zone.

Researchers from the Bose Institute in Kolkata analysed satellite data spanning 25 years and reported significant growth in particulate matter (PM) pollution between 2000 and 2024.

The study indicates that pollution levels across the region rose substantially during this period, with increases ranging from more than 20% to nearly 50%, depending on the pollutant measured.

The findings show that particulate matter concentrations during 2010-2019 were more than one-fifth high...