New Delhi, June 10 -- A combination of high day temperatures and humidity is likely leading to high wet bulb temperatures that could put vulnerable populations at risk.

On Monday, Delhi recorded a maximum temperature of 43.4 degree C with a relative humidity of 31% recorded at 2.30 PM. During the morning hours, relative humidity (RH) was higher around 48%. At 2.30pm, Delhi's heat index (HI) or 'real feel' was around 49degC.

Delhi's wet-bulb temperature may range from 29 to 31 degree C on Monday afternoon depending on the location. For example, Ayanagar in Delhi recorded a maximum temperature of 45.3 degree C which would translate to a wet bulb of 30 degree C or more. Since RH is dynamic, changing with time and location, it is difficult ...