New Delhi, Dec. 20 -- The Air Quality Index (AQI) in Delhi remained in the "very poor" category on Saturday, December 20. The AQI was recorded at 376 early Saturday, as compared to 374 recorded on Friday.

Officials told news agency PTI that dense fog is likely to worsen Delhi's air quality over the weekend, despite the implementation of stringent pollution-control measures.

As per the CPCB classification, an AQI between 0 and 50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'.

Meanwhile, the India Meteorological Department (IMD) issued a yellow alert for fog, predicting dense fog on Saturday, December 20. Weather officials said foggy conditions are likely to pers...