Delhi to see heavy rain as IMD issues orange alert till July 2

New Delhi: Delhi is likely to witness heavy rain on Sunday, with the Indian Meteorological Department issuing an 'orange' alert for the city till July 2.

The national capital recorded a minimum temperature of 27 degrees Celsius, 0.9 notches below the season's average.

The humidity was 78 per cent at 8.30 am, the weather office said and added that it has recorded 9 mm rainfall in the last 24 hours.

The maximum temperature is likely to settle around 34 degree Celsius, it stated.

The weather department has predicted a generally cloudy sky with heavy rain till Tuesday.

The IMD has four colour-coded warnings -- 'green' (no action needed), 'yellow' (watch and stay updated), 'orange' (be prepared) and 'red' (take action).

The Air Quality Index (AQI) of the national capital was recorded in the satisfactory category with a reading of 97 at 9 am, according to the Central Pollution Control Board.

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.