KATHMANDU: The current air quality in Kathmandu, the capital of Nepal, has been deemed unhealthy, with PM2.5 levels soaring to 160 micrograms per cubic meter (μg/m3) as of 9:15 am, according to data from IQ AirVisual, a Swiss group specializing in global air-quality information. PM2.5, the main airborne pollutant comprising solid or liquid droplets with […]