Delhi starts facing smog as air quality plunges to poor quality

Smog and dust can be observed in parts of Delhi and its adjoining areas such as Gurugram, Noida, Faridabad and Ghaziabad on Saturday, as air quality in a number of areas fell to the 'poor' category.
At around 8:30 in the morning, the overall air quality index (AQI) was docking at 218, said System of Air Quality and Weather Forecasting And Research (SAFAR).
An AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 is marked as severe/hazardous.