Gurugram, July 9 -- The Haryana State Pollution Control Board (HSPCB) has installed a particulate matter reduction (PAMARES) system, a filterless outdoor air purifier, at Vikas Sadan in Gurugram on a trial basis to assess its effectiveness in reducing localised particulate pollution, with officials set to monitor changes in PM2.5 and PM10 levels over the coming weeks, officials said.

The device was installed a few feet away from Vikas Sadan's Continuous Ambient Air Quality Monitoring Station (CAAQMS) to measure changes in local air quality.

"As part of a trial, the device is the first of its kind to be installed along with an air quality monitor in Haryana. The air quality monitoring data obtained over the next few weeks will help asses...