Dense smog engulfs Delhi-NCR: IMD issues orange alert; visuals show almost zero visibility

Delhi-NCR is battling a severe smog crisis, with visibility plummeting and air quality entering the 'very poor' category. Dense fog has led to flight disruptions at IGI Airport, operating under CAT III conditions. Authorities have implemented GRAP Stage III curbs, including construction bans and 'No PUC, No Fuel' rules, as cold temperatures exacerbate the pollution.