India, Feb. 24 -- The mercury rose marginally in Delhi on Monday even as the air quality remained in the "moderate" zone for a sixth day. The minimum temperature of 10.7degC was a degree below normal while it was 10.3degC on Sunday.

Cool northwesterly winds that led to below-normal minimum temperatures were set to change with the wind direction switching to easterly again.

A rise in maximum and minimum temperatures was expected by 3-4degC by Wednesday as a western disturbance was due to start to influencing the region and slow down wind speed. The drop in wind speed, change in its direction, and gradual cloudiness will impact temperature.

The minimum temperature was expected to touch 14degC by Wednesday, possibly rising to around 17deg...