Kathmandu, April 7 -- As the drone takes off, the skyline of Kathmandu is shrouded in a thick layer of polluted haze that has been lingering for weeks. Visibility has also dropped over the weeks, delaying the flights.

On the ground, a layer of grey haze has continued to linger in the atmosphere, and its inhalation has continued to affect the people with complaints of itchy eyes, sore throats and burning noses, becoming a common phenomenon.

"I just have recovered from a severe cold and cough, and I was completely bedridden for two to three days. It was really serious and my eyes were itchy and twitchy. After I return home and wash my face, I see a lot of dust on my face while oil-cleansing my face," Samikshya Sunuwar, a graduate-level st...