New Delhi, Nov 04 (ANI): Delhiites continued to breathe poor air quality. As on November 04, the quality index stood in ‘poor’ category, according to Central Pollution Control Board. Layer of smog engulfed ITO area. “We are facing difficulties during morning walk. On top of it we have to mandatorily wear masks, both of these things together is creating problems,” said a local. Another local appreciated the campaigns launched by Kejriwal-led government to combat pollution. Meanwhile, quality of Yamuna River continues to remain poor with toxic froth floating on the surface.