70% of yearly change in winter pollution in north India explained by western disturbances: Study

70% of yearly change in winter pollution in north India explained by western disturbances: Study

Research in The Hindu finds western disturbances explain about 70% of the yearly shift in winter air quality across northern India. Years with more frequent disturbances show lower particulate levels, producing clearer skies, while fewer disturbances lead to higher pollution. The national analysis used satellite and ground data spanning a decade to establish the significant relationship.