Kathmandu, April 11: The air quality of the Kathmandu Valley has slightly improved after the rains.

The air quality index was recorded at 129 on Friday morning, which is unhealthy for sensitive groups.

On Tuesday, the Valley recorded an alarming level of polluted air, with above 250 AQI, and was recorded as the No. 1 polluted city in the globe.

This morning, the Valley is ranked as the 18th most polluted city.

People’s News Monitoring Service.