The Capital on Saturday reported 93 new cases of dengue, taking the tally to 2,821.
The disease has claimed five lives, including one from outside Delhi, this year alone.
The daily average of 70 new cases has gone up to 80 cases every day.
Delhi has also reported eight chikungunya - another mosquito-borne infection- cases so far. Barring the first cases, which were reported from the All India Institute of Medical Sciences (AIIMS), civic agencies say, seven cases were reported from Palam village causing them to isolate the area.
"We are carrying out fogging and anti-larval operations in Palam area to restrict further rise in cases of chikungunya," said Dr V.K. Monga, chairman, public health committee, Municipal Corporation of Delhi (MCD.
"While chikungunya doesn't cause death as in the case of dengue, it does cause a lot of bodyache and fever," Dr V.K. Monga, MCD health official said.
Dengue symptoms include high fever for four to five days, usually accompanied by severe headache, body pain, muscle and joint pain and rashes.
Once the fever subsides, the blood platelet count starts dipping. Symptoms of chikungunya fever include debilitating arthralgia (arthritis), swelling of joints, stiffness, muscle pain, headache, fatigue and nausea.