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.
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Morning hours are highly polluted: Data shows
Monday was more polluted compared to Sunday's Daily Valley Pollution Index. https://bit.ly/2rladuQ
