
New Delhi: Thick, toxic foam was once again observed floating on the Yamuna River at Kalindi Kunj on Saturday as pollution levels in the river remain alarmingly high in the national capital.
However, the air quality in Delhi on Saturday recorded a slight improvement than what it was a day ago with Air Quality Index (AQI) at 237 which still is in ' Poor', according to System of Air Quality and Weather Forecasting And Research (SAFAR).