KATHMANDU, Dec 4: Kathmandu's air quality is degrading day by day. As per the Valley Pollution Index on Monday, morning hours from 7 am till 11 am and evening hours from 6 pm to 9 pm were the most polluted hours.
December 17 was highly polluted: Data
Monday was more polluted compared to Sunday's Daily Valley Pollution Index. https://bit.ly/2rladuQ