Saturday, 20 April 2024 10:42 AM
Published On: February 3, 2017 08:31 AM NPT
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.
July 18: VALLEY POLLUTION INDEX ... Read More...
The graph above is based on the pollutant of fine particulate matter, PM2.5 (PM less than 2.5 microns) of Kathmandu... Read More...
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