Delhi is likely to witness heat wave conditions from today with the maximum temperature reaching 40 degrees Celsius, according to the weather department.
The India Meteorological Department (IMD) said the minimum temperature in Delhi today was recorded at 19.4 degrees Celsius, normal for this time of the season.
The weather office said that days will get warmer over the next few days.
"Heat wave will sweep across the region on Thursday. The maximum temperature is likely to hover around 40 degrees Celsius," an IMD official said.
Wednesday's maximum temperature had settled at 39.3 degrees Celsius, five degrees above the normal. For the plains, a "heat wave" is declared when the maximum temperature is over 40 degrees Celsius, and at least 4.5 notches above normal.
"Heat wave conditions are likely to intensify in the city for next four-five days," the weather office said.
The relative humidity at 8:30 am was 39 per cent.
Delhi's Air Quality remained in the "poor" category as the air quality index stood at 271 at 8 am today, Central Pollution Control Board data showed.
An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe".
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