KATHMANDU, April 7 -- As Kathmandu ranks among the most polluted cities in the world, the Department of Hydrology and Meteorology warned that air pollution across the country may worsen in the coming days due to limited chances of rainfall.

In its latest 8 pm bulletin, the Meteorological Forecasting Division predicted light rain accompanied by thunder and lightning in a few places in the hill areas of Koshi, Bagmati, Gandaki, and Karnali provinces over the next 24 hours. A few high-altitude areas in these provinces may also experience light snowfall.

Despite these isolated weather activities, the department stated that most regions in the country are unlikely to see rainfall. The skies over the Himalayas and the Terai plains are expecte...