KATHMANDU: A thick layer of haze enveloped the Kathmandu Valley, pushing the Air Quality Index (AQI) into the ‘Very Unhealthy’ category on Monday.According to the Ministry of Forests and Environment’s Department of Environment Air Quality Monitoring, the air quality in Bhaisipati was classified as ‘Hazardous,’ with a US AQI reading of 333 as of 2:30 […]