Dense fog envelops Delhi as IMD issues yellow alert; flight ops unaffected

A thin layer of fog covered parts of Delhi as the temperature fell to 7°C. Flight operations remain unaffected despite low visibility. The IMD issued a yellow alert, forecasting moderate to dense fog and light rainfall. The Supreme Court directed the CAQM to impose Stage-III or Stage-IV restrictions if AQI levels cross 350 or 400, respectively.