Dengue cases in Delhi and the adjoining areas of the National Capital Region reached 5,546, a municipal health officer said Monday.
Most cases have been reported from the north corporation zone (2,170), followed by the south (1,646) and the east (1,515) zones.
This year, the vector-borne disease has killed six people in the capital.
After having surpassed the 2012 figures, the number of cases this year is nearing the 2010 tally (6,229).
