India, Feb. 11 -- Delhi's air quality deteriorated on Wednesday as wind speeds dipped, and the minimum temperature was three notches above normal at 13.2degC. The minimum temperature was likely to stay between 11 and 13degC until Friday.

On Tuesday, the mercury rose five degrees above normal to 28.6degC. It is likely to hover between 25 and 28degC for next two days.

A 24-hour average Air Quality Index (AQI) of 297 (poor) was recorded at 9am on Wednesday, up from 272 (poor) at 4pm on Tuesday, 249 (poor) on Monday, and 189 (moderate) on Sunday.

The India Meteorological Department (IMD) said three feeble western disturbances will impact northwest India in quick succession. The first began to impact the western Himalayan region on Tuesday....