70 per Cent of Change in Winter Pollution in North India Explained by Western Disturbances: Study

Seasonal forecasts could give northern India months of warning before severe winter air pollution

Northern India experiences some of the world's worst winter air pollution, with dangerous episodes often prompting emergency control efforts. In major cities like Delhi, the Air Quality Index has reached levels above 999—over 30 times the World Health Organization's safety limit.

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

A study reveals western disturbances account for 70% of winter pollution changes in northern India, aiding early pollution forecasts.

70 pc of yearly change in winter pollution in north India explained by western disturbances: Study - The Tribune

About 70 per cent of the year-to-year variation in winter air pollution across northern India may be explained by the frequency of western disturbances, possibly providing warning of unusually polluted winter months in advance, researchers said.

70 per cent of change in winter pollution in north India explained by western disturbances: Study

Western disturbances may explain seventy percent of winter air pollution variations. More frequent storms typically bring cleaner air to northern India. Ocean temperature patterns in autumn can predict winter storm frequency. This allows for advance warning of potentially severe pollution seasons. Such forecasts can help authorities prepare pollution control measures.

How Western Disturbances Influence North India's Winter Air Pollution

A new study reveals that approximately 70 per cent of the year-to-year variation in winter air pollution across northern India can be explained by the frequency of western disturbances. These storm systems, originating from the Mediterranean, help clear pollution through precipitation and ventilation. The findings suggest that predicting the frequency of these disturbances could provide advance warning of severe pollution, allowing for better pr…