KATHMANDU, Feb 8: The Kathmandu Valley, where Nepal’s federal capital city lies, reported the highest PM 2.5 reading of 144.5 micrograms per cubic meter (μg/m³) on Monday in the morning between 7 and 8. 

 The cleanest air in the Valley was witnessed  between 3 and 4 PM. 

Check the hourly air quality index (AQI) in the graph.

 
• air
 
• air_quality
 
• pollution
 
• Kathmandu