Valley Pollution Levels

Published On: March 20, 2017 07:35 PM NPT By: Republica

The graph above is based on the pollutant of fine particulate matter, PM2.5 (PM less than 2.5 microns) of Kathmandu Valley in a day.

The graph above is based on the pollutant of fine particulate matter, PM2.5 (PM less than 2.5 microns) of Kathmandu Valley in a day.