Air purification devices installed at ITO in Delhi
With air quality dipping to 'very poor' in Delhi and National Capital Region, air purification devices have been installed at the ITO crossing in Delhi. The System of Air Quality and Weather Forecasting and Research (SAFAR) on Monday said that Air Quality Index (AQI) of Delhi was detected at 329. An AQI between 301-400 is considered as 'very poor'.