Toxic smog continues to shroud Delhi-NCR with air quality index turning severe yet again. According to Ministry of Earth Science-backed System of Air Quality and Weather Forecasting And Research (SAFAR), the AQI level in and around Delhi was in the emergency zone. While the overall air quality index of Delhi stood at 482, neighbouring Noida and Gurugram had worst air than the National Capital. The Air Quality Index in Noida was registered at 583 and the pollution indicator in Gurugram was at 548. Watch the full report.